PrimeRFP SCOUT · Federal Contract Recompete Brief · OASIS

FA252121F0106HSFS support — Mantech Advanced Systems International, Inc

Mantech Advanced Systems International, Inc holds $3.0B across 367 federal awards, concentrated at General Services Administration (GSA). This PIID sits alongside 5 related awards under parent GS00Q14OADU124. The prior award was single-bid — competitive dynamics may favor a challenge. Recompete timing centers on the Sep 9, 2026 PoP end — agencies typically plan 12–18 months ahead.

Fa2521 45 Cons Pk

Awarding office

Mantech Advanced Systems International, Inc

Recipient

Sep 9, 2026

PoP end

$28M

Obligated

$32.3M

Potential

541330

NAICS

R699

PSC

OASIS

Vehicle

1 bidders on last award

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Contract facts

Federal

Contract numberFA252121F0106

Also listed asFA2521-21-F-0106

Also listed asGS00Q14OADU124-FA252121F0106

AgencyFa2521 45 Cons Pk

Awarding officeFa2521 45 Cons Pk

Awarding agencyDepartment of Defense (DOD)

Funding agencyDepartment of Defense (DOD)

IncumbentMantech Advanced Systems International, Inc

CAGE5N741

UEIJY2BDT2K58Z6

NAICS541330

PSCR699

VehicleOASIS

Parent IDIQ / IDVGS00Q14OADU124

Place of performancePATRICK AFB FL

Pricing typeFirm Fixed Price

Extent competedFull And Open Competition

Related solicitationFA252120R0012

PoP startApr 10, 2021

PoP end (current)Sep 9, 2026

Obligated$28M

Current value$32.3M

Potential value$32.3M

EO14042, HUMAN SPACE FLIGHT SUPPORT (HSFS) II is a federal award for Fa2521 45 Cons Pk held by Mantech Advanced Systems International, Inc. Estimated value $32.3M ($28M obligated). Current period of performance ends Sep 9, 2026. Last award drew 1 bidder. Place of performance: PATRICK AFB FL. Related solicitation FA252120R0012.

EO14042, HUMAN SPACE FLIGHT SUPPORT (HSFS) II

Recompete timing

Public

● Expiring in 2 days

Current PoP ends Sep 9, 2026 (2 days remaining). Agencies typically plan 12–18 months ahead — at 0.1 months out, that window is already open. The buying decision is likely already in motion.

Incumbent footprint

Public record

Mantech Advanced Systems International, Inc — $3.0B obligated across 367 awards (firm-wide, all agencies) · lead buyer General Services Administration (GSA).

% of firm-wide obligated ($3.0B) · all agencies · Top 4 shown (94%); remaining ~6% is other agencies.

General Services Administration (GSA)$1.5B · 50%Department of Defense (DOD)$852.8M · 28%Department of Homeland Security (DHS)$290.5M · 10%Department of State (DOS)$180.5M · 6%

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Related awards

Same parent · incumbent

N0042125F0302

BASE YEAR LABOR - NEW TASK ORDER

$666K

Sep 23, 2026

N0042125F0339

ANTI-RADIATION MISSILE (ARM) TECHNICAL PROJECT OFFICE (TPO) TASK ORDER UNDER N0042122D0101

$999K

Sep 24, 2026

70B04C20F00001357

MODIFICATION TO ADD FUNDING FOR BASE PERIOD AND SURGE.

$251.8M

Sep 25, 2026

N0042125F0320

BASE YEAR LABOR - RDT&E

$333K

Aug 31, 2026

N0016721F3010

ENGINEERING AND TECHNICAL SUPPORT SERVICES FOR SUBMARINE AND SURFACE SHIP ACOUSTIC SIGNATU…

$51.4M

Aug 26, 2026

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Frequently asked questions

What is contract FA252121F0106?

FA252121F0106 (HSFS support) is a Fa2521 45 Cons Pk award with a potential value of $32.3M, currently held by Mantech Advanced Systems International, Inc. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is FA2521-21-F-0106?

FA2521-21-F-0106 is the dashed form of PIID FA252121F0106 (HSFS support), held by Mantech Advanced Systems International, Inc. Same award — SCOUT canonicalizes compact, dashed, and parent-child identifiers to one brief.

Which office awarded FA252121F0106?

Fa2521 45 Cons Pk awarded FA252121F0106 to Mantech Advanced Systems International, Inc (potential $32.3M).

Who is the incumbent on FA252121F0106?

Mantech Advanced Systems International, Inc is the incumbent with $3.0B across 367 related awards in SCOUT’s public footprint. The current period of performance ends Sep 9, 2026.

When does Mantech Advanced Systems International, Inc’s FA252121F0106 come up for recompete?

SCOUT tracks a period-of-performance end of Sep 9, 2026. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of Jun 23, 2026 · refreshed monthlyLatest procurement action Mar 25, 2026