CR_16052_ATTA_SSP_54353_54354_Baseline.docx

Post Increment Evaluation Report Increments 53 and 54 Review Copy

International Space Station Program

Baseline (Draft – February 2019) March 2019

EAR 99. This document may be used only in the International Space Station (ISS) program to fulfill responsibilities of a Cooperating Agency of an ISS Partner in furtherance of the ISS Intergovernmental Agreement. Re-transfer or disclosure to, or use by, any persons other than citizens of ISS Program International Partner countries, or use for any other purpose, requires prior Governments authorization of all ISS Program Partners who approve this document.

National Aeronautics and Space Administration International Space Station Program Johnson Space Center Houston, Texas Contract Number: NNJ12GA46C

SSP 54353_54354

Baseline (Draft – February 2019)

REVISION AND HISTORY PAGE

Baseline (Draft – February 2019)

PREFACE

Post Increment Evaluation Report Increments 53 and 54 This document is the Post Increment Evaluation Report Increments 53 and 54. Official delivery of this document is under the control of the Space Station Control Board (SSCB). Any changes or revisions will be jointly agreed to and signed by the National Aeronautics and Space Administration (NASA) and the affected International Partners (IPs).

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SSCB APPROVAL NOTICE

INTERNATIONAL SPACE STATION PROGRAM

post Increment evaluation report Increments 53 and 54 march 2019Review Copy

Kirk A. Shireman Manager, International Space Station National Aeronautics and Space Administration

Alexey Strelnikov Director, Department of Human Space Programs, State Space Corporation Roscosmos

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Ken Podwalski Program Manager Canadian Space Station Program

Fumiya Tsutsui ISS Program Manager Japan Aerospace Exploration Agency

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Bernardo Patti Program Manager European Space Agency

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INTERNATIONAL SPACE STATION PROGRAM

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PLANNING AND MANIFEST MANAGER

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Vitali Chernov

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Nadezha Gorbova

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MANIFEST AND CREW PROVISIONING SPECIALIST

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Natalia Uspenskaya

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cargo stowage manager

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Sergei Yaroshenko

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TABLE OF CONTENTS

APPENDIX

TABLE

FIGURE

Introduction Purpose SSP 54353_54354, Post Increment Evaluation Report (PIER) for Increments 53 and 54, documents the Increment Definition and Requirements Document (IDRD) Period executed requirements and resource usage. This report includes a summary of actual launch dates with major milestones that occurred within the IDRD Period and summaries of the resource and accommodations, including transfer of power, cargo, and propellant for the International Space Station (ISS). Section 7.0, IDRD Period and Task Requirements Summary, and Appendix D, Increments 53 and 54 Violations, Waivers and Deviations are provided for reference only and are not part of the Program’s obligations accounting data.

SCOPE

This report covers Increments 53 and 54, and includes both joint ISS/mated vehicle operations and ISS-only continuous operational phases (i.e., stages) of the Increments. Increment 53 began in September 2017 with the undocking of Soyuz Flight 50. Increment 53 ended and Increment 54 began with the undocking of Soyuz Flight 51 in December of 2017. Increment 54 ended in February 2018 with the undocking of Soyuz Flight 52.

PRECEDENCE

Information contained in this document shall be consistent with ISS Program documentation, including the Memorandum of Understandings (MOU), Balance of Contributions (BoC), and other higher-level agreements. In case of conflicts between this document (excluding Section 7.0 and Appendix D) and SSP 50826, ISS 6-Crew Strategic Planning Document: ISS Crew Augmentation Strategic Plan for 2009-2011; SSP 50261-01, Generic Groundrules, Requirements, and Constraints, Part 1: Strategic and Tactical Planning; SSP 54100, Multi-Increment Planning Document; and SSP 54053_54054, Increment Definition and Requirements Document for Increments 53 and 54, this document shall take precedence.

DELEGATION OF AUTHORITY

The Space Station Control Board (SSCB) has formal control and approval of this document. All changes to this document will be processed in accordance with the procedures as specified in SSP 50123, Configuration Management Handbook.

3-3 documents applicable documents The following documents include specifications, models, standards, guidelines, handbooks, and other special publications. The documents listed in this paragraph are applicable to the extent specified herein. Inclusion of applicable documents herein does not in any way supersede the order of precedence identified in Paragraph 1.2 of this document.

reference documents The following documents contain supplemental information to guide the user in the application of this document. These reference documents may or may not be specifically cited within the text of this document.

Increments 53 and 54 summary Increment 53 began with the undocking of 50 Soyuz, which reduced the Expedition crew to 3. Expedition 53 crewmembers increased to 6 with the docking of 52 Soyuz. When 51 Soyuz undocked, Expedition crew size was reduced to 3, Increment 53 ended and Increment 54 began. Expedition 54 crewmembers increased to 6 with the docking of 53 Soyuz. When 52 Soyuz undocked, Increment 54 ended and Increment 55 began.

Table 3.0-1, Increments 53 and 54 Summary, includes crew rotation plans, the Multilateral Crew Operations Panel (MCOP) defined crew assignments and respective agencies.

TABLE 3.0-1 INCREMENTS 53 and 54 SUMMARY

Expedition 54 Crew

Table 3.0-2, Increments 53 and 54 Flight Summary, identifies the actual dates and mission data for all flights that visited the ISS during this Increment.

TABLE 3.0-2 INCREMENTS 53 and 54 FLIGHT SUMMARY

Increment 53 Definition

Vehicle/ISS External Cargo

52S launches just prior to midnight GMT on 12 Sep 17 and docks just after midnight GMT on 13 Sep 17

52S launches just prior to midnight GMT on 12 Sep 17 and docks just after midnight GMT on 13 Sep 17

TABLE 3.0-2 INCREMENTS 53 and 54 FLIGHT SUMMARY

Increment 54 Definition

Vehicle/ISS

ON-ORBIT RESOURCE Assumptions and allocations This section defines the allocation of the on-orbit ISS capabilities between systems and utilization across the increments. Allocations are limited to power, crew time, and on-orbit accommodation. Sub-allocations of utilization allocations are provided in the SSP 54053_54054-ANX5. Any non-standard requirements of resources are also provided in Paragraph 4.4. The allocation guidelines are baselined in the SSP 5026101. All data contained in this section represent operational requirements.

power transfer to the russian segment assessment The amount of electrical power transferred from the U.S. segment to the Service Module (SM) during Increment 53_54 (177 days) equals 16064.4 kWh (according to measurements at the output of the USOS electrical power system). In accordance with Addendum 2 of the protocol on the balance of contributions and ISS partner rights, the amount of electrical power transferred to the Russian segment is calculated according to values at the input to the SM voltage and current stabilizer [СНТ]. Since the loss in cables during the transfer from the USOS to the SM CHT input is approximately 3%, the amount of electrical power transferred to the SM, calculated as stipulated by the balance of contributions, is 15582.5 kWh.

The “expansion to 6 crew” also increased the number of docked Soyuz Transportation Modified Anthropometric (TMA), usually at MRM2 and one at MRM1. By having provided electrical power to one of the Soyuz vehicles continuously docked to Functional Cargo Block (FGB) during Increments 53 and 54, NASA fulfilled for this period in Increments 53 and 54, its obligation to provide electrical power for 1 equivalent Soyuz continuously docked to ISS as stipulated in the NASA-Roscosmos Program Managers’ understanding of February 10, 2010. Therefore the relevant amount of power is not accounted against Roscosmos’ original 615,000 kWh allocation.

The amount of electrical power transferred from the USOS to the FGB and consumed by the MRM1 during Increment 53_54 (177 days) equals 2209 kWh (based on the IDRD allocation, MRM1 plus Multipurpose Laboratory Module (MLM) equipment, of 520w average load). Given the loss of capacity in the FGB voltage converter [ARCU] of 13%, the amount of electrical power, calculated as transferred from the USOS to FGB ARCU input in support of the MRM1 plus MLM equipment at the FGB nadir port, is 2539 kWh (output ÷87%).

The total amount of electrical power, calculated as stipulated by the balance of contributions as transferred from the U.S. segment, during Increment 53_54 (177 days) equals 18125.8 kWh.

Per the July 1st, 2006 2nd Addendum Balance of Contributions section D (Electrical Power) an accounting of power transfer/usage will begin on the first day of 2006 and should show progressive deficits from an initial 615,000 kWh. Table 4.1-1 shows the incremental accounting. At the conclusion of Increment 53_54 the remaining balance of power transfer is 268972 kWh.

Table 4.1-1 BALANCE of contributions (electrical Power) accounting

Table 4.1-2, USOS to Russian Power Transfers, and Figure 4.1-1 compare IDRD power transfer allocation to the Russian Segment (RS) from the USOS versus actual power transfer levels as reported by telemetry. Telemetry values were averaged over a 6-hour period. The comparison shows that, in general, IDRD power transfer allocations overestimated actual power transfer levels during Increments 53 and 54 and previous increments. Various factors contributed to these conservative differences, including Russian hardware operational constraints and actual versus predicted Russian systems operations and assumptions.

Russian hardware operational constraints are a result of the power regulation hierarchy in the Russian Electrical Power System (EPS) power architecture, which causes ARCU to saturate during eclipse periods. Saturated ARCUs transfer power at their maximum capability, above the needed power transfer deficit. The power transfer allocation in the IDRD has been set to the minimum number of ARCUs needed to support the Russian power deficits.

The power transfer allocation also assumes all RS systems loads are operating nominally. Therefore, any RS hardware failures or power-downs may contribute to differences in power transferred to the RS. Some of these instances are capture in table 4.1-4. There were times that Elektron and/or Vozdukh were off during these increments that most likely reduced the estimated planned power transfer. Elektron and Vozdukh operational modes were determined from telemetry and documented in D684-12237-53_54 spreadsheet, RS Averages workbook.

Another factor for over allocating power transfers is due to the power allocation in the IDRD having only three solar beta ranges, which takes the more conservative value for each range.

Table 4.1-3, USOS to FGB Power Transfers, and Figure 4.1-2 compare IDRD power transfer allocation to the FGB Segment from the USOS versus actual power transfer levels as reported by telemetry. The comparison shows the IDRD power transfer allocations overestimate actual power transfer levels during Increments 53 and 54. For most of the time during Increments 53 and 54 power transfer is approximately 1.5 kW average (2.4kW peak), which is below IDRD power transfer allocation of 3.0 kW. An explanation of the difference is that the FGB allocation assumed the FGB arrays are retracted and generating minimal power. However, the FGB arrays generate moderate power and batteries support during eclipse periods. It is important to note that the 3.0 kW allocation was selected to mitigate a catastrophic hazard condition. This condition is for a one string channel failure in the USOS.

In summary, the IDRD power transfer allocations significantly overestimate actual power transfer levels. Accounting for the factors discussed above, the gap between IDRD allocations versus actuals can be explained. However, due to FGB safety concerns and to increase the time to respond to failures, it is acceptable to plan for conservatism within the IDRD. For the USOS to RS Power Transfer, based on telemetry during Increments 53 and 54, recommend no change in the IDRD allocation.

TABLE 4.1-2 USOS TO RUSSIAN POWER TRANSFERS

Power Transfer

[1] Telemetry Average (kW) [2]

Events

Notes:

[1] IDRD (SSP 54053_54054) Solar beta definitions are defined as follows: Low < 37º, Mid between 37º and 52º, High >52º.

[2] All values from the input side of the ARCU/CHT.

[3] IDRD RS allocation. Excludes power transfer to the FGB segment.

[4] Per IDRD, RS Allocation assumes SM solar array in sun tracking mode.

{5} [IDRD note 7] 1 Progress attached to SM and 1 Soyuz attached to FGB/MRM1 and 1 CRS vehicle attached to USOS.

{6} [IDRD note 8] 1 Progress and 1 Soyuz attached to SM and 1 Soyuz attached to FGB/MRM1.

{7} [IDRD note 9] 2 Progress and 1 Soyuz attached to SM and 1 Soyuz attached to FGB/MRM1 and 1 CRS vehicle attached to USOS.

{8} [IDRD note 11] 2 Progress and 1 Soyuz attached to SM and 1 Soyuz attached to FGB/MRM1 and 2 CRS vehicles attached to USOS.

{9} [IDRD note 12] 2 Progress and 1 Soyuz attached to SM.

{10} [IDRD note 14] 1 Progress and 1 Soyuz attached to SM and 1 Soyuz attached to FGB/MRM1 and 1 Soyuz attached to FGB/MRM1.

Example figure 4.1-1 PROFILE of RS (IDRD Allocation) power transfers for Increments 53_54 table 4.1-3 U.S. to FGB POWER transfers

Power Transfer

[1] Telemetry Average (kW) [2]

Events

Notes:

Generic:

[1] IDRD (SSP 54053_54054) Solar beta definitions are defined as follows; Low < 37º, Mid between 37º and 52º, High >52º.

[2] All values from the input side of the ARCU.

[3] IDRD FGB allocation.

[4] Per IDRD, FGB Allocation assumes FGB solar arrays are retracted, do not generate power, and FGB batteries are off-line.

[5] Per IDRD, FGB loads and Power Generation values provided by Khrunichev and include the Soyuz transport vehicle docked to FGB.

Flight/Stage Specific:

[6] 1 Soyuz on FGB/MRM1.

[7] No vehicle on FGB/MRM1.

Example figure 4.1-2 PROFILE OF FGB POWER TRANSFERS FOR Increments 53_54

TABLE 4.1-4 RUSSIAN HARDWARE OPERATIONAL EFFECTS ON RUSSIAN POWER TRANSFERS

Date/GMT

Russian transfers indicated are daily averages for the specified day(s) unless noted otherwise.

Figure 4.1-3, ISS As Flown Altitude Profile, is a graphical representation of the ISS altitude showing where specific height adjustments were made during Increment 53 and 54. The figure is derived from data recorded in real time on an irregular frequency, and as a result several days may pass between data points. It is understood that reboost events occurred on a single day as noted on the figure.

Baseline (Draft – October 2018) Figure 4.1-3 ISS As Flown Altitude Profile

4-25

Increments 53 and 54 crew time Paragraph 4.2, Increments 53_54 Crew Time, is the summary of the pre-Increment planned and actual Increment crew time spent on various mission categories define in the Generic Groundrules, Requirements and Constraints (GGR&C).

The actual Increment 53_54 duration of 178 days was 1 days longer than the palnned preflight duration number of days in the Increment.

The total number of work weeks in Increments 53_54 was 24.2.

Table 4.2-1 reflects the summary of operations performed on ISS. This data reflects RS crewmember or USOS crewmember-specific data as planned and performed on ISS.

Table 4.2-1 increments 53 and 54 Operations (4 Pages)

Incs.

53_54 Scheduled Crew Hours [2]

53_54 Crew Hours[2]

Incs.

53_54 Scheduled Crew Hours[2]

53_54 Crew Hours[2]

8.0 Utilization Operations

8.1 USOS Utilization Totals

USOS Voluntary Science

8.1 NASA Utilization [3]

NASA Voluntary Science

8.1 ESA Utilization [4]

ESA Voluntary Science

8.1 JAXA Utilization [5]

JAXA Voluntary Science

8.1 CSA Utilization [6]

CSA Voluntary Science

8.3 RS Utilization Totals

8.3 RS Utilization

1.1.1.1 Prepack of cargo to return on Soyuz (RS cargo and transfer)

1.1.4.3 Transfer Cargo Items delivered on Soyuz

1.1.4.5 Soyuz Cargo Loading

1.2.1.1 Progress Unloading

1.2.1.3 Progress Loading

1.2.2 Progress Docking

1.2.3 Progress Undocking

2.0 RS Medical Operations [7]

Segment Specific Routine Operations

4.6.1 IMS Daily File Preparation

4.6.2 IMS Tag-ups

4.9 RS laptop Virus Scan

4.13 RSOC Misc Ops

5.1 NASA Preventative Maintenance

5.1 NASA Corrective

5.1 NASA Contingency

5.1 ESA Preventative Maintenance

5.1 ESA Corrective Maintenance

5.1 JAXA Preventative Maintenance

5.1 JAXA Corrective Maintenance

5.1 CSA Maintenance

5.1 USOS Sys Ops

5.2 RS Maintenance and Systems

5.2 RS FGB Technical Maintenance

6.2 RS Resupply /Outfitting

NOTES:

Table 4.2-2, Increments 53 and 54 Cross Station Crew Time (CSCT), is the summary of executed cross-station crew time for both USOS crewmembers and RS crewmembers. USOS Total is the total time spent by USOS crewmembers performing Russian tasks and RS Total is the total time spent by RS crewmembers performing USOS tasks.

Table 4.2-2 increments 53 and 54 CROSS-STATION Crew Time (CSCT)

Table 4.2-3, Increments 53_54 Joint Research, is the summary of joint participation by both USOS and RS crewmembers in payload activities. The Joint Research totals for USOS and RS are included in the total utilization numbers respectively in Table 4.2-1 Increments 53 and 54 Operations.

Table 4.2-3 increments 53 and 54 Joint research

Stowage Table 4.3-1, Hardware Stowed on ISS during Increments 53 and 54, lists the volumes/duration of NASA hardware stowed in the RS and Russian hardware stowed in the USOS, including the FGB.

Table 4.3-1 HARDWARE Stowed on iss during IncrementS 53 and 54

Baseline (Draft – October 2018)

Cargo, Water and Propellant Transfer Table 4.4-1, Mass USOS Vehicles Delivered to ISS, is the summary of the items NASA vehicles have provided to the ISS each flight in this IDRD Period, including delivery of Russian cargo and delivery of water to ISS. Table 4.4-1A, Mass USOS Vehicles Delivered to ISS (NASA/CSA/ESA/JAXA Dry Cargo Only), reflects the NASA/CSA/ESA/JAXA Dry Cargo only. Mass data included in these tables are approved per the Post Flight Manifest Change Directive (CD).

Table 4.4-1 MASS USOS VEHICLES DELIVERED TO ISS (All weights in kilograms)

A - See USOS mass breakout in Table 4.4-1A:

O - This documents the mass of NASA food and crew provisions provided to the RS crew under the "Protocol between NASA and ROSCOSMOS, USOS/RS Food and Crew Provisions" dated 7, April 2014 agreement.

Traceability Note concerning Table 4.4-1A:

Table 4.4-1 Cargo = Table 4.4-1A[(NASA(Other + USOS Consumables + Packing)) + ((CSA+ESA+JAXA) Cargo) + ((CSA+ESA+JAXA) Packing) ]

Table 4.4-1 Payloads = Table 4.4-1A[(NASA+CSA+ESA+JAXA) Payloads] tABLE 4.4-1A MASS USOS VEHICLES DELIVERED TO ISS (NASA/CSA/ESA/JAXA Dry Cargo Only) (All weights shown in kilograms)

NASA / CSA / ESA / JAXA

* Stowage provisions not manifested.

** U.S. Cargo Other does not include CWC water + OA-8: CEF ref. - DBC 08FEB18 2.48 kg of MSL mass transferred from ESA to NASA per NASA ESA Technical Understanding on Operation of Facility - July 2013.

+ SpX-14: The Payload ASIM PFM is a bartered item that NASA launched on ESA's behalf (311.30 kg).

Table 4.4-2, Mass USOS Vehicles Returned from ISS, is the summary of the items NASA vehicles have returned to the ground from the ISS for each flight in this IDRD Period, including return of Russian cargo, payloads, and disposal of trash. Table 4.4-2A, Mass USOS Vehicles Returned from ISS (NASA/CSA/ESA/JAXA Dry Cargo Only), reflects the NASA/CSA/ESA/JAXA Dry Cargo Only. Mass data included in these tables are approved per the Post Flight Manifest CD.

Table 4.4-2 mass USOS VEHICLES RETURNED FROM ISS (All weights in kilograms)

A - See USOS mass breakout in Table 4.4-2A.

Traceability Note concerning Table 4.4-2A below:

Table 4.4-2 Cargo = Table 4.4-2A[(NASA(Cargo Other + USOS Consumables)) + ((CSA+ESA+JAXA) Cargo)]

Table 4.4-2 NonChargeable = This mass is defined as part of Balance of Contributions and is not part of CSOC agreement. See Annex 1 Manifest for N Noted items.

Table 4.4-2 Payloads = Table 4.4-2A[(NASA+CSA+ESA+JAXA) Payloads]

TABLE 4.4-2A MASS USOS VEHICLES RETURNED FROM ISS (NASA/CSA/ESA/JAXA dry cargo only) (All weights in kilograms)

* Stowage provisions not manifested.

Table 4.4-3, Mass Roscosmos Vehicles Delivered to ISS, is the summary of the items Roscosmos vehicles have provided to the ISS each flight in this IDRD Period, including delivery of NASA cargo, payloads, water, propellant and gases to ISS. Table 4.4-3A, Mass ROSCOSMOS Vehicles Delivered to ISS (NASA/CSA/ESA/JAXA), reflects the NASA/CSA/ESA/JAXA breakdown. Mass data included in these tables are approved per the Post Flight Manifest CD.

TABLE 4.4-3 mass ROSCOSMOS vEHICLES DELIVERED TO ISS (All weights in kilograms)

(Liters)

Notes:

A - See USOS mass breakout in Table 4.4-3A:

O-This documents the mass of Russian food and crew provisions launched by RSA for the USOS crew under the 'Protocol between NASA and ROSCOSMOS USOS/RS Food and Crew Provisions' dated 7, April 2014 agreement.

F - 69P: FGB hardware flown under obligations to deliver 188 kg of FGB cargo per FGB Sustaining Engineering Protocol between NASA and State Corporation Roscosmos from January 2017.

Traceability Note concerning Table 4.4-3:

Table 4.4-3 Other = Table 4.4-3A [(NASA (Other + USOS Consumables + Packing)) + ((CSA+ESA+JAXA) Cargo) + ((CSA+ESA+JAXA) Packing)] Table 4.4-3 NonChargeable = This mass is defined as part of Balance of Contributions and is not part of CSOC agreement.

Table 4.4-3 Payloads = Table 4.4-3A [(NASA+CSA+ESA+JAXA) Payloads]

TABLE 4.4-3A MASS ROSCOSMOS VEHICLES DELIVERED TO ISS (NASA/CSA/ESA/JAXA) (dry cargo only)

NASA / CSA / ESA / JAXA

Notes:

B - 53S: Pursuant to the July 21, 2015 NASA-ESA Protocol 44S Upmass and 42S Downmass Planning, NASA launched 0.77 kg and returned 0.77 kg of cargo on ESA’s behalf.

* Packing indicates “Stowage provisions not manifested”

Table 4.4-4, Mass Roscosmos Vehicles Returned from ISS, is the summary of the items Roscosmos vehicles have returned to the ground or disposed of from the ISS for each flight in this IDRD Period, including return of NASA cargo, payloads, and disposal of trash. Table 4.4-4A, Mass Roscosmos Vehicles Returned from ISS (NASA/CSA/ESA/JAXA Dry Cargo Only), reflects the NASA/CSA/ESA/JAXA Dry Cargo Only. Mass data included in these tables are approved per the Post Flight Manifest Change Directive (CD).

TABLE 4.4-4 mass ROSCOSMOS VEHICLES RETURNED FROM ISS (All weights in kilograms)

Notes:

A - See USOS mass breakout in Table 4.4-4A.

F -51S: FGB hardware flown under agreement defined in June 2017 Program Management Review Protocol Item 14.0.

Traceability Note concerning Table 4.4-4 below:

Table 4.4-4 Cargo = Table 4.4-4A[(NASA(Cargo Other + USOS Consumables)) + ((CSA+ESA+JAXA) Cargo)] Table 4.4-4 NonChargeable = This mass is defined as part of Balance of Contributions and is not part of CSOC agreement. See Annex 1 Manifest for N Noted items.

Table 4.4-4 Payloads = Table 4.4-4A[(NASA+CSA+ESA+JAXA) Payloads]

TABLE 4.4-4A MASS ROSCOSMOS VEHICLES RETURNED FROM ISS (NASA/CSA/ESA/JAXA dry cargo only)

Table 4.4-5, Mass from Common Spare Pool Hardware By NASA/CSA/ESA/JAXA, is the summary of the hardware provided by NASA to NASA/CSA/ESA/JAXA on-orbit and or return from orbit under the Common Spares Pool Agreements in which the up-mass and down mass is NASA/CSA/ESA/JAXA responsibility.

Increment 53 exchanges;

1 each OPA Canister Part Number: 683-99752-1, SN: N/A Transferred from NASA to JAXA. 2.8848 KG Increment 54 exchanges;

CSP-2018-138 Makita Batteries, Charger and Drill, NASA to JAXA on February 20, 2018.

Part Name: Makita 3.0 AH Battery Assemblies (4 each), P/N: SEG33111376-302, S/Ns: 1062, 1063, 1066, 1067 Part Name: IVA Tool Battery Charger, P.N: SEG33110643-303, S/N: 1005 Part Name: IVA Power Tool charger Adapter Cable, P/N: SEG33110639-302, S/N: 1001 Part Name: Makita Driver Drill, P/N: 6213D, B/C 007954J ORU Condition: Good No compensation is expected for this transfer of ownership.

TABLE 4.4-5 mass From Common Spare Pool Hardware by nasa/csa/esa/jaxa

Increments 53_54 Total Mass

Table 4.4-6, Water Deliveries, Consumption and Surplus Consumption, is the summary of water delivered to and consumed by each segment during this IDRD period. Deliveries include water provided by visiting vehicles and reclaimed by processing urine. Consumption is calculated assuming each crewmember consumes water and oxygen at the same rate per person. Consumption is calculated using a crew days ratio, which is each segment’s crewmembers’ portion of the total crew days spent on ISS during the IDRD period. The resulting segment’s surplus consumption (or deficit consumption) is considered to have been transferred to (or from) the other segment.

TABLE 4.4-6 Water deliveries, consumption and surplus consumption

A+B+C-D-E

A+B+C-D-E

[1] ratio of segment crew’s days on ISS to total crew days in ISS [2] expected crew support consumption based on total crew days on ISS [3] this data is for informational purposes only to document condensate balance and transfers between segments and not utilized in the surplus calculation [4] this data includes only the directly transferred water via CWCs and EDVs for RS consumption, it does not include cross-segment consumption [5] A positive value here indicates additional consumption from this segment by the crew of the other segment, a negative value indicates the segments crew consumed from the other segment [6] Surplus = I – H = AA + BB + CC + DD [7] Swingbed was not utilized.

Table 4.4-7, Cold Stowage Transportation Usage, reflects the Partners’ use of cold stowage transportation resources for the flights occurring in Increments 53 and 54. The data in this table represent the distribution of the cold stowage asset tare weights across the partners that utilized the asset. The cold stowage assets considered are the NASA-provided freezers and coldbags. If a partner provides their own cold stowage capability, it is not considered a shared resource and is not included in these tables.