418-XO-ACXSOW-0070_V_1_1.pdf

Effective Date: September 27, 2021 418-XO-ACXSOW-0070 Expiration Date: Five years from date of last signature Baseline Version 1.1 Responsible Organization: GeoXO Flight Project/Code 418

Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX)

Statement of Work (SOW) Signature page

Prepared by:

Electronically approved by: 09/10/2021

Erin M. Farrell Date GeoXO Flight Project, Instrument Systems Engineer NASA GSFC, Code 418

Electronically approved by: 09/30/2021

Patrick F. Conforti Date GeoXO Flight Project, Instrument Systems Engineer

Reviewed by:

Electronically approved by: 09/08/2021

Ronald L. Williams (Acting) Date GeoXO Flight Project, Instrument Manager

Approved by:

Electronically approved by: 09/27/2021

Monica Todirita Date GeoXO Flight Project, Deputy Project Manager NOAA GSFC, Code 418

/GeoXO Flight Project ACX

ACXSOW

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

Version: 1.1 Printed by: rkhoover Printed on: Tuesday, November 30, 2021

No filter applied.

No sort applied.

Generated from DOORS 9.7.2.4

Contents

1 1Introduction

1.1 1Top-Level Summary of Work Required

1.2 1Guiding Assumptions About the Eventual Flight Program

1.3 2Study Milestones Schedule

1.4 3Applicable and Reference Documents

2 4Tasks

2.1 4Trade Studies

2.1.1 4Revisit Time and SNR Trade Study

2.1.2 4Polarization Trade Study

2.1.3 4Field of Regard (FOR) Trade Study

2.2 4ACX Design Concept Development and Related Analyses

2.3 6Technology Assessment and Demonstration

2.4 6Management Planning

3 8Reviews, Reporting, and Deliverable Products

3.1 8Status Meetings and Reviews

3.1.1 8Kickoff Meeting

3.1.2 8Monthly Progress Review (MPR)

3.1.3 8Midterm Review (MTR)

3.1.4 8Final Study Review (FSR)

3.1.5 9Final Report Package (FRP)

3.2 9Contract Data Requirements List (CDRL)

4 12Appendix A: Acronyms

Project: GeoXO Flight Project ACX Module: ACXSOW Baseline Version: 1.1

Contents ii

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ID

ACXSOW1

ACXSOW2

ACXSOW3

ACXSOW4

ACXSOW5

ACXSOW6

ACXSOW7

ACXSOW8

Object Number

1.0-1

1.0-2

1.0-3

1.1

1.1.0-1

1.2

1.2.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

1 Introduction The Atmospheric Composition GeoXO (ACX) is a hyperspectral, UV through visible imaging spectrometer used to measure environmental data as part of a 3-axis stabilized, geostationary weather satellite system. The ACX remotely collects imagery of the superregional region for national air quality forecasting capability, hazard forecasting, and fire pollutant forecasting and warnings.

The ACX will meet, as a minimum, the National Aeronautics and Space Administration (NASA) requirements as defined in this Statement of Work (SOW), the ACX Performance and Operational Requirements Document (PORD), the ACX Unique Instrument Interface Document (UIID), the General Interface Requirements Document (GIRD), and the Instrument Mission Assurance Requirements (IMAR). For this procurement, in the case of any conflicting requirements, the PORD requirement takes precedence.

This SOW specifies the vendor requirements for performing definition-phase studies and design development as part of ACX formulation activities.

1.1 Top-Level Summary of Work Required

The details of the deliverables are described in later sections. At the top level, the Government requires:

a) An ACX Design that satisfies the baseline requirements defined in the PORD, UIID, GIRD (as referenced in section 1.3), and IMAR (as referenced in section 1.3)

Enhancements to the design beyond the baseline requirements are encouraged if they can be implemented on the specified delivery timeline.

b) An Assessment of ACX performance against requirements specified in the

PORD.

c) Trade Studies as specified in section 2.1

d) Technical Analysis as described in section 2.2

e) Notional Development Schedule as described in section 2.4

f) Cost Analysis as described in section 2.4

g) Technology Readiness Level (TRL) Assessment and a Technology

Development Plan as described in section 2.3

h) Identification of Development Risks as defined in section 2.4

i) As applicable, performance of any work awarded for Technology

Development and/or Risk Mitigation effort(s)

j) Identification of hardware and software heritage assumptions as defined in section 2.3

1.2 Guiding Assumptions About the Eventual Flight Program

The Flight hardware development cost and schedule estimates shall be based on the following assumptions:

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ACXSOW8

ACXSOW9

Object Number

1.2.0-1

1.3

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

a) 1 Engineering Development Unit (EDU).

b) 2 Flight Units, plus any parts for sparing philosophy. Deliveries will be as shown in the following schedule (all dates are for the Government Fiscal Year):

MILESTONE DATE (assume 1st day of quarter)

Flight Contract Award January 2024

Flight Model 1 Pre‐Ship Review

(PSR1)

June 2029

Launch 1 Readiness Date September 2035

Flight Model PSR (PSR2) April 2031

Launch 2 Readiness Date October 2040

c) No Government Furnished Equipment (GFE) will be provided. If there is specific Government owned equipment which the contractor is proposing to utilize, then this equipment shall be specifically identified, along with the benefit and verification of availability.

d) Mission durations: See the PORD. Requirements are to be met at end of operational life.

e) The following instrument-level reviews will be held for the first flight build: SRR, IBR, PDR, CDR, PER, PSR. Subsequent flight builds will hold a PER and PSR. The contractor will assume durations for each review as specified under section 3.1 and associated review material preparation time.

f) ACX is designated a tailored Class C instrument.

(CCR X00042)

1.3 Study Milestones Schedule

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ACXSOW10

ACXSOW11

ACXSOW12

Object Number

1.3.0-1

1.4

1.4.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

The Contractor shall execute the study in accordance with the following milestone schedule. Requirements and deliverables for these milestones are described in Section 3.

Milestone Schedule

Kickoff Meeting Within two weeks of award

Monthly Progress Reviews Kickoff + 1, 2, 3, 4, 5, 7, 8, 9, 10 months

Mid‐Term Review Kickoff + 6 months

Final Study Review Kickoff + 11.5 months

Final Report Package Kickoff + 12 months

Risk Mitigation Report (as applicable)

Kickoff + 20 months

Technology Development Report (as applicable)

Kickoff + 20 months

1.4 Applicable and Reference Documents

Reference Number Title

Applicable Documents

418‐XO‐ACXPORD‐0071 ACX Performance and Operational Requirements Document

418‐XO‐ACXUIID‐0072 ACX Unique Instrument Interface Document

418‐XO‐GXIGIRD‐0025 GeoXO General Interface Requirements Document

418‐XO‐IMAR‐0026 Instrument Mission Assurance Requirements

(IMAR)

Reference Documents

NPR 7123.1 NASA Systems Engineering Process and Requirements

SP‐2016‐6105 NASA Systems Engineering Handbook

GPR 7120.4D GSFC Guideline for Performing Risk Assessments

CCSDS 120.2‐G‐1 Report Concerning Space Data System Standards

GREEN BOOK: LOSSLESS MULTISPECTRAL AND

HYPERSPECTRAL IMAGE COMPRESSION”

Informational Report CCSDS 120.2‐G‐1

CCSDS 122.0‐B‐2 CCSDS Recommendation for Space Data System Standards, Image Data Compression, CCSDS 122.0‐B‐2, September 2017.

CCSDS 123.0‐B‐2 CCSDS Recommendation for Space Data System Standards, Low‐Complexity Lossless and Near‐ Lossless Multispectral and Hyperspectral Image Compression, CCSDS 123.0‐B‐2, February 2019.

Website for Heritage, Maturity, and Technology

Readiness Level https://esto.nasa.gov/files/trl definitions.pdf

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ACXSOW13

ACXSOW14

ACXSOW15

ACXSOW16

ACXSOW17

ACXSOW18

ACXSOW19

ACXSOW20

ACXSOW21

ACXSOW22

ACXSOW23

ACXSOW24

ACXSOW25

ACXSOW26

ACXSOW27

ACXSOW28

Object Number

2.0-1

2.1

2.1.0-1

2.1.1

2.1.1.0-1

2.1.1.0-2

2.1.2

2.1.2.0-1

2.1.2.0-2

2.1.3

2.1.3.0-1

2.1.3.0-2

2.2

2.2.0-1

2.2.0-2

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

2 Tasks The Contractor shall analyze the ACX requirements, perform trade studies to justify design and a conceptual design for the ACX, and perform all other tasks as specified below.

2.1 Trade Studies

The Contractor shall perform the following trade studies and report on the results at the Midterm Review:

2.1.1 Revisit Time and SNR Trade Study

The Contractor shall conduct a trade study to evaluate increased temporal repeat and system cost and design impacts while meeting required SNR and spectral sampling and resolution. The Contractor will report if system may be readily commanded for repeated observations of smaller targeted regions. (CDRL 4)

The Contractor shall document the associated cost, schedule, and risk and will report the associated cost, schedule, and risk relative to that of the baseline compliant design. (CDRL 4)

2.1.2 Polarization Trade Study

The Contractor shall conduct a trade study to examine levels of polarization performance, reporting of optical design and test campaign impacts. (CDRL 3)

The Contractor shall document the associated cost, schedule, and risk weighed against predicted performance associated with each design enhancement beyond the baseline requirements. (CDRL 3)

2.1.3 Field of Regard (FOR) Trade Study

The Contractor shall conduct a trade study to evaluate maintaining CONUS coverage within the instrument field-of-regard (FOR) with the spacecraft relocated to 75W, 110W, and with a yaw flip (north-south inversion) at 90W. Nominal yaw flip recovery time will be less than 30 minutes after the spacecraft interface has returned to compliant conditions. (CDRL 2) (CCR X00042)

The Contractor shall identify and document design modifications and associated cost, schedule, and risk relative to that of the baseline compliant design. (CDRL 2)

2.2 ACX Design Concept Development and Related Analyses

The Contractor shall develop an ACX design concept and perform associated engineering analyses to justify design parameters, tolerances, design/performance margins, and associated budgets. (CDRL 7)

The Contractor shall provide a quantitative comparison of the ACX performance against the performance requirements in Section 3 of the PORD. (CDRL 8)

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ACXSOW29

ACXSOW30

ACXSOW31

ACXSOW32

ACXSOW33

ACXSOW34

ACXSOW35

ACXSOW36

ACXSOW37

ACXSOW38

ACXSOW39

ACXSOW40

Object Number

2.2.0-3

2.2.0-4

2.2.0-5

2.2.0-6

2.2.0-7

2.2.0-8

2.2.0-9

2.2.0-10

2.2.0-11

2.2.0-12

2.2.0-13

2.2.0-14

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

The Contractor shall provide a summary of compliance to the Level 3 requirements (PORD, UIID, GIRD (as referenced in section 1.3), and IMAR (as referenced in section 1.3)), including initial engineering analyses showing compliance to environmental requirements. (CDRL 9)

The Contractor shall review all requirements listed as "TBR" or “TBD” and either concur or suggest new requirement values. (CDRL 11)

The Contractor shall quantify potential cost, schedule, and risk impacts of any suggested requirements changes. (CDRL 11)

The Contractor shall define a calibration methodology (both pre-launch and on-orbit) and provide the radiometric accuracy and radiometric uncertainty budgets for each (pre-launch and on-orbit). Included in this effort will be a description of planned observations, and an examination of calibration FOV impacts as it is not possible to guarantee a clear FOV in any direction other than down the instrument optical axis (as described in the UIID). The planned calibration observations will identify the known spacecraft accommodation dependencies. (CDRL 12)

The Contractor shall analyze the radiometric performance of the instrument concept including the development of a preliminary radiometric model and a preliminary end-to-end radiometric accuracy budget and preliminary radiometric uncertainty budget (pre-launch and on-orbit). (CDRL 16)

The Contractor shall describe the systems approach to meeting all INR and coregistration requirements in the PORD. Such descriptions, including an error budget, will span relevant flight hardware characteristics, operational aspects, and ground processing. (CDRL 13)

The Contractor shall describe the algorithms to be used on the GeoXO ground system for decompression if needed and processing to data Level 1b, as described in the PORD. (CDRL 14)

The contractor shall describe the Level 1beta stopping point in the Level 1b ACX ground processing algorithm flow that would yield calibrated and navigated output that is not on the fixed grid (i.e. not resampled if resampling is needed to generate Level 1b on the fixed grid). Impacts to data rate or data processing to achieve L1beta instead of Level1b can be included. (CDRL 14)

The contractor shall review optical safe zones of operation, initial stray light performance, and provide stray light mitigation concept. (CDRL 15)

The Contractor shall provide an initial analysis, and a detailed state diagram, of all use cases/modes for a concept of operations of the instrument and its ability to support engagement and disengagement of all cases/modes and delivery of telemetry (as defined in the PORD). (CDRL 18)

The Contractor shall describe a reliability approach (planned redundancy, parts selection, etc.) to meet the PORD required reliability for the specified lifetime.

(CDRL 19)

The Contractor shall identify single-point failures and fault critical elements.

(CDRL 20)

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ACXSOW41

ACXSOW42

ACXSOW43

ACXSOW44

ACXSOW45

ACXSOW46

ACXSOW47

ACXSOW48

ACXSOW49

ACXSOW50

ACXSOW51

ACXSOW52

ACXSOW53

ACXSOW54

ACXSOW55

Object Number

2.2.0-15

2.2.0-16

2.2.0-17

2.2.0-18

2.2.0-19

2.2.0-20

2.3

2.3.0-1

2.3.0-2

2.3.0-3

2.3.0-4

2.3.0-5

2.4

2.4.0-1

2.4.0-2

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

The Contractor shall describe the fault tolerant/graceful degradation features of the design. (CDRL 20)

The Contractor shall develop a Master Equipment List (MEL). (CDRL 21)

The MEL shall document the mass, power, and TRL of each major sub-component. A template for the MEL will be provided by the Government. (CDRL 21)

The Contractor shall provide descriptions of any simulation and analytical tools used in the assessment of the design and/or performance, including the heritage and validation of the tools. (CDRL 22)

In terms of detector management, the Contractor shall study the best method for handling of dead pixels and other detector defects and damage. (CDRL 5)

The Contractor shall develop operational or data processing methods to address detector degradation over life of mission. (CDRL 5)

2.3 Technology Assessment and Demonstration

The Contractor shall assess the technology readiness of all components of the instrument design. (CDRL 23)

If applicable, the Contractor shall provide a detailed Technology Development Plan (TDP), including a schedule, explaining how all technologies will achieve TRL 6 by the instrument PDR. If the study effort includes Technology Development effort, the TDP and associated schedule will clearly identify all of the work covered by the Technology Development. (CDRL 24)

If the study effort includes Technology Development effort, the Contractor shall implement the Technology Development effort under contract, brief the status of this effort at the reviews described in Section 3, and provide a final report detailing the work done, any associated results, and the level to which the technology has been developed. (CDRL 24)

The Contractor shall develop an EDU Model Philosophy and Plan that describes test plans, schedule, and cost of development for an end-to-end Engineering Development Unit and a test regime proposed by the Contractor. (CDRL 26)

The Contractor shall document the flight hardware and software heritage as well as any relevant differences between the claimed heritage and the proposed design (for example, on-orbit environment, mission duration, requirements, etc.). (CDRL 27)

2.4 Management Planning

The Contractor shall identify and rank risks to the development of the ACX and describe associated mitigations. The likelihood and criticality of risks will be ranked on a 5x5 matrix per GPR 7120.4D. (CDRL 28)

The Contractor shall identify alternate implementation paths for all high-risk items. (CDRL 28)

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ACXSOW56

ACXSOW57

ACXSOW58

ACXSOW59

ACXSOW60

ACXSOW61

ACXSOW62

ACXSOW63

Object Number

2.4.0-3

2.4.0-4

2.4.0-5

2.4.0-6

2.4.0-7

2.4.0-8

2.4.0-9

2.4.0-10

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

If the study effort includes Risk Mitigation effort, the Contractor shall implement the Risk Mitigation effort under contract, brief the status of this effort at the reviews described in section 3, and provide a final report detailing the work completed, associated results, and the level to which the risk has been mitigated.

(CDRL 29)

The Contractor shall define a Spare Philosophy approach for procuring and maintaining an adequate supply of spare parts and subassemblies to minimize cost, schedule, and performance risks caused by part damage or shortages. (CDRL 25)

The Contractor shall develop an implementation phase schedule. (CDRL 30)

The Contractor shall assume the two flight model instruments and any spare hardware needed for sparing philosophy will be procured at the same time. The schedule will show the following major instrument reviews: SRR, IBR, PDR, CDR, MRRs, TRRs, PER, and PSR, achievement of TRL 6, development of the instrument physical model(s), long-lead (> 1 year) procurements, I&T and V&V activities, and the top three critical paths. The schedule will identify any flight hardware procurements that are started ahead of the completion of the EDU (or equivalent).

(CDRL 30)

The Contractor shall suggest dates for the contract starts and other milestones that will minimize the overall cost and minimize the developmental risks. The schedule required to meet the program level milestones is shown in section 1.2 under item b. (CDRL 30)

The Government is looking at options for the ACX instrument to be hosted and launched earlier than Q2 2031. The Contractor shall conduct a cost and schedule assessment for a 3rd ACX unit, determine the earliest ACX launch readiness date, and identify the instrument technical critical path. The Contractor will assume that the host spacecraft interface meets the UIID and GIRD requirements. The Contractor will provide a suggested contracts start date. (CDRL 31)

The Contractor shall provide a parametric cost estimate for the development and production of two flight model instruments, any spare hardware needed for sparing philosophy, and the engineering model recommended in the EDU Model Philosophy & Plan (see section 2.3). The costs will be separately identified for each model, flight unit, required GSE (ground support equipment), and technology development(s) and organized by WBS element. The costs will be shown phased by Government fiscal year. (CDRL 32)

The Contractor shall state what parametric model was used in the analysis and provide any inputs to the model beyond the MEL (reference 2.2) describing the heritage of the model. (CDRL 32)

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ACXSOW64

ACXSOW65

ACXSOW66

ACXSOW67

ACXSOW68

ACXSOW69

ACXSOW70

ACXSOW71

ACXSOW72

ACXSOW73

ACXSOW74

ACXSOW75

ACXSOW76

ACXSOW77

ACXSOW78

ACXSOW79

ACXSOW80

Object Number

3.0-1

3.1

3.1.1

3.1.1.0-1

3.1.1.0-2

3.1.1.0-3

3.1.2

3.1.2.0-1

3.1.2.0-2

3.1.3

3.1.3.0-1

3.1.3.0-2

3.1.3.0-3

3.1.4

3.1.4.0-1

3.1.4.0-2

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

3 Reviews, Reporting, and Deliverable Products The Contractor shall perform the reviews and reporting tasks and provide deliverable products as specified below. The Contracting Officer's written determination that Government requests for action (RFA's) or requests for information (RFI's) regarding the deliverable reviews and products have been closed out will constitute acceptance of the deliverable.

3.1 Status Meetings and Reviews

3.1.1 Kickoff Meeting

The Contractor shall support a kickoff meeting within 2 weeks of the Authorization to proceed to provide a team introduction, summary of the proposed work for the study, proposed study schedule, and a high-level introduction to the initial imager design concept. (CDRL 33)

The Contractor shall plan for a 2-hour virtual meeting. (CDRL 33)

The Contractor shall deliver a soft copy of the Kickoff chart set 24 hours prior to the meeting. (CDRL 33)

3.1.2 Monthly Progress Review (MPR)

The Contractor shall present the results of the work performed since the previous MPR and discuss relevant technical and programmatic issues and findings. The topics expected to be covered are listed in the CDRLs table in section 3.2. The MPRs will be planned as 4-hour virtual meetings. (CDRL 34)

The Contractor shall deliver a soft copy of the MPR chart set 24 hours prior to the meeting. (CDRL 34)

3.1.3 Midterm Review (MTR)

The Contractor shall present a summary of the results of the work performed for the Midterm Review. This review will be held at the NASA Goddard Space Flight Center, pending travel restrictions. (CDRL 35)

The Contractor shall plan on a one and a half day review. The topics expected to be covered are listed in the CDRLs table in section 3.2. (CDRL 35)

The Contractor shall deliver a soft copy of the MTR chart set 72 hours prior to the meeting. (CDRL 35)

3.1.4 Final Study Review (FSR)

The Contractor shall present a summary of the results of the work performed for the Final Study Review. (CDRL 36)

The Contractor shall plan on a one and a half day review at the Contractor’s facility. If possible, the Government will travel to attend the review in-person, pending travel restrictions. The topics expected to be covered are listed in the CDRLs table in section 3.2. (CDRL 36)

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ACXSOW81

ACXSOW82

ACXSOW83

ACXSOW84

ACXSOW85

ACXSOW86

Object Number

3.1.4.0-3

3.1.5

3.1.5.0-1

3.1.5.0-2

3.2

3.2.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

The Contractor shall deliver a soft copy of the FSR chart set 72 hours prior to the meeting. (CDRL 36)

3.1.5 Final Report Package (FRP)

The Contractor shall deliver any CDRLs that were not delivered and approved by the Government Contracting Officer (CO) prior to the FSR or any CDRLs requiring updates in the Final Report Package. (CDRL 37)

The Contractor shall address any open action items remaining after the FSR in the Final Report Package. The FRP will be delivered within 2 weeks after the FSR.

(CDRL 37)

3.2 Contract Data Requirements List (CDRL)

The Contractor shall deliver the data products specified in the following table.

Table 2: CDRLs

SU Status Update; UAN Updates as Necessary

ID Deliverable/Task Deliverable format

Kickoff MPR MTR FSR FRP SOW

Ref

1 (Reserved)

2 Field of Regard

(FOR) Trade Study

Report

Briefing Charts SU Prelim Final UAN 2.1

3 Polarization Trade

Study Report

Briefing Charts SU Prelim Final UAN 2.1

4 Revisit Time and

SNR Trade Study

Report

Briefing Charts SU Final UAN UAN 2.1

5 Detector

Management

Trade Report

Briefing Charts SU Prelim Final UAN 2.2

6 (Reserved)

7 ACX Design Briefing

Charts+Models

SU Prelim Final UAN 2.2

8 Predicted performance vs.

PORD

Briefing Charts SU Prelim Final UAN 2.2

9 Level‐3

Requirement

Compliance

Spreadsheet SU Prelim Final UAN 2.2

10 (Reserved)

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ID

ACXSOW86

Object Number

3.2.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

ID Deliverable/Task Deliverable format

Kickoff MPR MTR FSR FRP SOW

Ref

11 Suggested values for TBRs

Briefing Charts SU, final answer by 3rd

MPR

UAN UAN UAN 2.2

12 Calibration

Methodology

Briefing Charts SU Prelim Final UAN 2.2

13 INR and

Coregistration

Approach

Briefing Charts SU Prelim Final UAN 2.2

14 Level 1b Algorithm

Description

Briefing Charts SU Prelim Final UAN 2.2

15 Straylight

Mitigation Concept

Briefing Charts SU Prelim Final UAN 2.2

16 Radiometric Math

Model

Briefing

Charts+Model

SU Prelim Final UAN 2.2

17 (Reserved)

18 Plan for

Commanding

During Operations

Report

Briefing Charts SU Prelim Final UAN 2.2

19 Reliability

Approach

Briefing Charts SU Prelim Final UAN 2.2

20 Single‐Point

Failures & Fault

Critical Elements

Briefing Charts SU Prelim Final UAN 2.2

21 MEL Spreadsheet SU Prelim Final UAN 2.2

22 Analytical Tools

Audit

Briefing Charts SU Final UAN UAN 2.2

23 TRL Assessment Briefing Charts SU Final UAN UAN 2.3

24 Technology

Development Plan

Briefing Charts Status Prelim Final UAN 2.3

25 Spares Philosophy and Plan

Briefing Charts SU Prelim Final UAN 2.4

26 EDU Model

Philosophy and

Plan

Briefing Charts SU Prelim Final UAN 2.3

27 Heritage

Assessment

Briefing Charts SU Final UAN UAN 2.3

28 Risk Assessment Briefing Charts SU Prelim Final UAN 2.4

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ID

ACXSOW86

Object Number

3.2.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

ID Deliverable/Task Deliverable format

Kickoff MPR MTR FSR FRP SOW

Ref

29 Risk Mitigation

Effort (if applicable)

Briefing Charts SU SU SU UAN 2.4

30 Flight

Implementation

Schedule

MS Project +

Briefing Charts

SU Prelim Final UAN 2.4

31 Early Flight Unit

Implementation

Plan

MS Project +

Briefing Charts

SU Prelim Final UAN 2.4

32 Flight Cost

Estimate

Spreadsheet SU Prelim Final UAN 2.4

33 Kickoff Meeting Briefing Charts Charts due 24 hours before

3.1

34 MPR Charts Briefing Charts 24 hrs before

MPR

3.1

35 MTR Charts Briefing Charts 72 hrs before

MTR

3.1

36 FSR Charts Briefing Charts 72 hrs before

FSR

3.1

37 FRP Charts NA 2 wks post

FSR

3.1

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ID

ACXSOW87

ACXSOW88

Object Number

4.0-1

418-XO-ACXSOW-0070, RM Version, Geostationary Extended Observations (GeoXO) Atmospheric Composition (ACX) Statement of Work (SOW)

4 Appendix A: Acronyms ACX GeoXO Atmospheric Composition CDR Critical Design Review CDRL Contract Data Requirement List CO Contracting Officer CONUS Continental United States EDU Engineering Development Unit FM Flight Model FOR Field of Regard FOV Field of View FRP Final Report Package FSR Final Study Review GIRD General Interface Requirements Document GeoXO Geostationary Extended Observations GFE Government Furnished Equipment GIRD General Interface Requirements Document GPR Goddard Procedural Requirements GSE Ground Support Equipment GSFC Goddard Space Flight Center IBR Integrated Baseline Review IMAR Instrument Mission Assurance Requirements INR Image Navigation and Registration I&T Integration and Testing LRD Launch Readiness Date MEL Master Equipment List MPR Monthly Progress Review MRR Manufacturing Readiness Review MTR Mid-Term Review NASA National Aeronautics and Space Administration NPR NASA Procedural Requirements PDR Preliminary Design Review PER Pre-Environmental Review PORD Performance and Operation Requirements Document Qx FYz Quarter x of Fiscal Year z PSR Pre-Shipment Review RFA Request for Action RFI Request for Information SNR Signal-to-Noise Ratio SOW Statement of Work SRR System Requirements Review SU Status Update TBD To Be Determined TBR To Be Reviewed TDP Technology Development Plan TRL Technology Readiness Level TRR Test Readiness Review UAN Update as Necessary UIID Unique Instrument Interface Document UV Ultraviolet V&V Verification and Validation WBS Work Breakdown Structure

Effective Date: September 27, 2021 418-XO-ACXSOW-0070 Expiration Date: Five years from date of last signature Baseline Version 1.1 Responsible Organization: GeoXO Flight Project/Code 418

Document Change Record (DCR)

CCR GeoXO#: X00032 Rev: Title: 418-XO-ACXSOW-0070: Baseline ACX SOW Contract # N/A GOES S/C: GeoXO Effectivity: Instruments CCB Status: Approved Doc #: 418-XO-ACXSOW-0070 CCB Date: 09/27/2021 Doc Version: 1.0 Contract Mod#: N/A DOORs Version: 1.0 Doc Change Date: Sept. 27, 2021 DOORs ID #: ALL

CCR GeoXO#: X00042 Rev: Title: ACXSOW: Changes for Phase A Contract # N/A GOES S/C: GeoXO Effectivity: Instruments CCB Status: Approved Doc #: 418-XO-ACXSOW-0070 CCB Date: 11//09/2021 Doc Version: 1.1 Contract Mod#: N/A DOORs Version: 1.1 Doc Change Date: Nov. 09, 2021 DOORs ID #: ACXSOW8 (1.2.0-1), 24 (2.1.3.0-1)