Contract award
SIERRA SPACE CORP
SUSTAINING ENGINEERING SERVICES FOR THE ADVANCED PLANT HABITAT (APH).
- PIID
- 80JSC021F0074
- Award key
- CONT_AWD_80JSC021F0074_8000_80JSC017D0018_8000
- Recipient UEI
- DPT6YML4HHK5
- Parent award
- CONT_IDV_80JSC017D0018_8000
- Source as of
- —
Current award value
$17,063,9513
Obligated to date
$8,334,4282
Potential with options
$17,063,9513
- Awarding agency
- National Aeronautics and Space AdministrationNational Aeronautics and Space Administration
- Contractor
- SIERRA SPACE CORP
- Place of performance
- Houston, Texas
- Set-aside
- None
- Pricing
- Cost Plus Fixed Fee
- Competition
- Full and Open Competition1 offers received
- Period of performance
- Mar 24, 2021 — Mar 31, 2025Through Mar 31, 2025 if all options are exercised
- Benchmark category
- Unclassified
Transaction history
Every action recorded against this award, in the order the government reported them.
| Mod | Action date | Reason | Obligation | Value at action |
|---|---|---|---|---|
| 0 | Mar 24, 2021 | Initial award | $0.00 | $17,063,950.76 |
| P00001 | Apr 2, 2021 | C | $600,000.00 | $17,063,950.76 |
| P00002 | Jul 15, 2021 | C | $210,000.00 | $17,063,950.76 |
| P00003 | Sep 3, 2021 | B | $0.00 | $17,063,950.76 |
| P00004 | Sep 15, 2021 | B | $350,000.00 | $17,063,950.76 |
| P00005 | Sep 25, 2021 | B | $0.00 | $17,063,950.76 |
| P00006 | Oct 29, 2021 | B | $0.00 | $17,063,950.76 |
| P00007 | Nov 15, 2021 | M | $0.00 | $17,063,950.76 |
| P00008 | Nov 15, 2021 | C | $822,000.00 | $17,063,950.76 |
| P00009 | Dec 7, 2021 | B | $0.00 | $17,063,950.76 |
| P00010 | Jan 6, 2022 | B | $0.00 | $17,063,950.76 |
| P00011 | Jan 27, 2022 | B | $0.00 | $17,063,950.76 |
| P00012 | Mar 7, 2022 | B | $500,000.00 | $17,063,950.76 |
| P00013 | Apr 13, 2022 | G | $0.00 | $17,063,950.76 |
| P00014 | Apr 27, 2022 | C | $624,966.00 | $17,063,950.76 |
| P00015 | May 25, 2022 | B | $0.00 | $17,063,950.76 |
| P00016 | Jun 23, 2022 | C | $140,000.00 | $17,063,950.76 |
| P00017 | Jul 21, 2022 | C | $972,000.00 | $17,063,950.76 |
| P00018 | Aug 11, 2022 | C | $275,000.00 | $17,063,950.76 |
| P00019 | Mar 28, 2023 | B | $0.00 | $17,063,950.76 |
| P00020 | May 9, 2023 | B | $300,000.00 | $17,063,950.76 |
| P00021 | May 18, 2023 | C | $0.00 | $17,063,950.76 |
| P00022 | Aug 16, 2023 | B | $1,003,698.00 | $17,063,950.76 |
| P00023 | Dec 21, 2023 | C | $274,073.25 | $17,063,950.76 |
| P00024 | Feb 29, 2024 | B | $0.00 | $17,063,950.76 |
| P00025 | Mar 4, 2024 | C | $242,440.65 | $17,063,950.76 |
| P00026 | Apr 18, 2024 | C | $433,383.00 | $17,063,950.76 |
| P00027 | Jul 18, 2024 | C | $382,830.21 | $17,063,950.76 |
| P00028 | Aug 30, 2024 | C | $400,000.00 | $17,063,950.76 |
| P00029 | Sep 23, 2024 | C | -$76,413.11 | $17,063,950.76 |
| P00030 | Sep 23, 2024 | M | $377,099.00 | $17,063,950.76 |
| P00031 | Sep 23, 2024 | C | $109,555.00 | $17,063,950.76 |
| P00032 | Sep 23, 2024 | C | $335,003.09 | $17,063,950.76 |
| P00033 | Jun 16, 2025 | C | $228,944.85 | $17,063,950.76 |
| P00034 | Aug 26, 2026 | C | -$216,947.87 | $17,063,950.76 |
| P00035 | Sep 17, 2026 | C | $46,795.88 | $17,063,950.76 |
Provenance
Which source record produced each displayed rollup figure.
| Field | Source | File | Retrieved | Parser | Artifact hash |
|---|---|---|---|---|---|
| awarding_agency_id | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| contractor_id | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| current_award_value | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| naics_code | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| potential_award_value | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| psc_code | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
| total_obligated | USAspending.gov | — | Sep 20, 2026 | usaspending_contract_csv@2026.08.2 | a79b8b1ec308 |
Sources and method
Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.
This page is a record of one federal award, assembled from the transactions the government published against it. Note 1 describes where the rollup came from. Values are award values, not unit prices.
- 1Rollup values derive from 36 transaction records parsed from USAspending.gov, retrieved Sep 20, 2026 by transform awards@2026.08.1.
- 2Obligations are the sum of signed federal action obligations across all transactions; deobligations are negative and remain negative.
- 3Current and potential award values are taken from the latest reported action, not summed across modifications.