Yong Castillo

Also listed as Yong H. Castillo

Agency: Marshall Space Flight Center National Aeronautics and Space Administration
Email: yong.h.castillo@nasa.gov
Phone: (256) 544-6706
Latest SAM.gov record: Oct 27, 2026

Contact facts

SAM.gov notices: 3
Contract awards: 2 As contracting staff
Top vendors: The Boeing Company 1 contract award · $1.54B in award value

Teledyne Brown Engineering, Inc. 1 contract award · $228M in award value
First SAM.gov record: Mar 6, 2026

Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.

SAM.gov notices

Notice	Posted
Secondary Payload Avionics Unit (SPAU) Limited / Sole Source Justification	Oct 27, 2026
NASA Space Launch System (SLS) Cubesat Opportunities on Artemis III, IV, and V Missions. Pre-Solicitation	Apr 30, 2026
Vulcan Centaur V Upper Stage for Space Launch System Limited / Sole Source Justification	Mar 6, 2026

Contract awards and IDVs

Award	Awarded	Obligated
Interim cryogenic propulsion stage (ICPS) for the NASA space launch system (SLS). NNM12AA82C · The Boeing Company	Oct 1, 2012	$1,309,236,376
Launch vehicle/stages adapter NNM14AA89D · Teledyne Brown Engineering, Inc.	Feb 1, 2014	$210,886,024

Top vendors

Rank	Vendor	Awards and IDVs	Award value
1	The Boeing Company	1	$1.54B
2	Teledyne Brown Engineering, Inc.	1	$228M

Award value adds up the base and exercised options recorded for the contract awards naming them. IDVs carry no value of their own.

Top NAICS codes

Rank	NAICS code	SAM.gov records
1	336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing	2
2	541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	2
3	541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	1

Top PSC codes

Rank	PSC code	SAM.gov records
1	1337 Guided Missile And Space Vehicle Explosive Propulsion Units, Solid Fuel; And Components	1
2	1820 Space Vehicle Components	1
3	AR13 Space R&D Services; Space Flight, Research And Supporting Activities; Experimental Development	1
4	AR14 Space R&D Services; Space Flight, Research And Supporting Activities; R&D Administrative Expenses	1
5	AR92 R&D- Space: Other (Applied Research/Exploratory Development)	1

Quick answers

Who is Yong Castillo?

Yong Castillo is a federal contracting contact at Marshall Space Flight Center (National Aeronautics and Space Administration). Point of contact on 3 SAM.gov notices and contracting staff on 2 contract awards, from March 6, 2026 to October 27, 2026.

How do I contact Yong Castillo?

SAM.gov lists Yong Castillo's email yong.h.castillo@nasa.gov and phone (256) 544-6706.

What is the latest SAM.gov notice naming Yong Castillo?

Secondary Payload Avionics Unit (SPAU), limited / sole source justification, posted October 27, 2026.

Which vendors has Yong Castillo awarded contracts to?

The vendors on the most contract awards and IDVs naming Yong Castillo are The Boeing Company and Teledyne Brown Engineering, Inc.. Yong Castillo's contract awards to The Boeing Company add up to $1.54B in base and exercised options.