HR001123C0054
Definitive Contract
Overview
Government Description
ADVANCED PROPULSOR, EXPERIMENTAL (APEX) - PHASE 1A
Alternate Description
Engineering Services
Awardee
Awarding / Funding Agency
PSC
Place of Performance
Groton, CT 6340 United States
Pricing
Cost Plus Fixed Fee
Set Aside
None
Extent Competed
Full And Open Competition
Est. Average FTE
98
Related Opportunity
Analysis Notes
Amendment Since initial award the Potential End Date has been extended from 04/30/25 to 03/31/26 and the Potential Award value has increased 118% from $23,936,132 to $52,244,727.
Subcontracting Plan This Definitive Contract has an Individual Subcontract Plan. The Department of Defense has an overall small business subcontracting goal of 30%
Subcontracting Plan This Definitive Contract has an Individual Subcontract Plan. The Department of Defense has an overall small business subcontracting goal of 30%
Applied Physical Sciences was awarded
Definitive Contract HR001123C0054 (HR0011-23-C-0054)
for Advanced Propulsor, Experimental (APEX) - Phase 1A
worth up to $52,244,727
by Defense Advanced Research Projects Agency
in April 2023.
The contract
has a duration of 3 years and
was awarded
through solicitation APEX
full & open
with
NAICS 541715 and
PSC AC13
via basic research acquisition procedures with 3 bids received.
As of today, the Definitive Contract has a total reported backlog of $11,783,381 and funded backlog of $11,783,381.
DOD Announcements
Apr 2023:
General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $9,361,048 cost-plus-fixed-fee contract, excluding unexercised options, for the Advanced Propulsor, Experimental (APEX) program. Work will be performed in Groton, Connecticut (41%); Concord, Massachusetts (17%); San Diego, California (14%); Niskayuna, New York (9%); Arlington, Virginia (7%); Cheswick, Pennsylvania (6%); Imperial, Pennsylvania (4%); and Suffolk, Virginia (2%), with an expected completion date of April 2024. Fiscal 2023 research, development, test, and engineering funds in the amount of $7,024,853 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity (HR001123C0054).
Sep 2023: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded an $8,642,960 modification (P00001) to cost-plus-fixed-fee contract HR001123C0054 to develop models for the Advanced Propulsor, Experimental (APEX) program. The modification brings the total cumulative value of the contract to $18,004,008 from $9,361,048. Work will be performed in Groton, Connecticut (36%); Concord, Massachusetts (35%); Arlington, Virginia (18%); Pawcatuck, Connecticut (9%); and San Diego, California (2%), with an estimated completion date of August 2024. Fiscal 2023 research, development, test, and engineering funds in the amount of $8,642,960 were obligated at time of award. This contract stems from a competitive acquisition in accordance with Broad Agency Announcement HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity.
Nov 2024: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $9,675,903 modification (P00009) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $28,562,226 to $38,238,129. Work will be performed in Cheswick, Pennsylvania (39%); Groton, Connecticut (25%); Niskayuna, New York (25%); Concord, Massachusetts (6%); Imperial, Pennsylvania (4%); and Arlington, Virginia (1%), with an expected completion date of March 2026. Fiscal 2024 research, development, test and engineering funds in the amount of $4,296,870 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity (HR001123C0054).
Nov 2024: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $9,675,903 modification (P00009) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $28,562,226 to $38,238,129. Work will be performed in Cheswick, Pennsylvania (39%); Groton, Connecticut (25%); Niskayuna, New York (25%); Concord, Massachusetts (6%); Imperial, Pennsylvania (4%); and Arlington, Virginia (1%), with an expected completion date of March 2026. Fiscal 2024 research, development, test and engineering funds in the amount of $4,296,870 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity (HR001123C0054).
Feb 2025: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $14,006,598 modification (P00011) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $38,238,129 to $52,244,727. Work will be performed in Groton, Connecticut (37%); Concord, Massachusetts (19%); Leander, Texas (18%); Imperial, Pennsylvania (8%); Arlington, Virginia (7%); Cheswick, Pennsylvania (7%); and San Antonio, Texas (4%), with an expected completion date of March 2026. Fiscal 2025 research, development, test and engineering funds in the amount of $5,271,524 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity.
Sep 2023: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded an $8,642,960 modification (P00001) to cost-plus-fixed-fee contract HR001123C0054 to develop models for the Advanced Propulsor, Experimental (APEX) program. The modification brings the total cumulative value of the contract to $18,004,008 from $9,361,048. Work will be performed in Groton, Connecticut (36%); Concord, Massachusetts (35%); Arlington, Virginia (18%); Pawcatuck, Connecticut (9%); and San Diego, California (2%), with an estimated completion date of August 2024. Fiscal 2023 research, development, test, and engineering funds in the amount of $8,642,960 were obligated at time of award. This contract stems from a competitive acquisition in accordance with Broad Agency Announcement HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity.
Nov 2024: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $9,675,903 modification (P00009) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $28,562,226 to $38,238,129. Work will be performed in Cheswick, Pennsylvania (39%); Groton, Connecticut (25%); Niskayuna, New York (25%); Concord, Massachusetts (6%); Imperial, Pennsylvania (4%); and Arlington, Virginia (1%), with an expected completion date of March 2026. Fiscal 2024 research, development, test and engineering funds in the amount of $4,296,870 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity (HR001123C0054).
Nov 2024: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $9,675,903 modification (P00009) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $28,562,226 to $38,238,129. Work will be performed in Cheswick, Pennsylvania (39%); Groton, Connecticut (25%); Niskayuna, New York (25%); Concord, Massachusetts (6%); Imperial, Pennsylvania (4%); and Arlington, Virginia (1%), with an expected completion date of March 2026. Fiscal 2024 research, development, test and engineering funds in the amount of $4,296,870 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity (HR001123C0054).
Feb 2025: General Dynamics Applied Physical Sciences Corp., Groton, Connecticut, was awarded a $14,006,598 modification (P00011) to cost-plus-fixed-fee contract HR001123C0054 for the Advanced Propulsor, Experimental model. The modification brings the total cumulative value of the contract from $38,238,129 to $52,244,727. Work will be performed in Groton, Connecticut (37%); Concord, Massachusetts (19%); Leander, Texas (18%); Imperial, Pennsylvania (8%); Arlington, Virginia (7%); Cheswick, Pennsylvania (7%); and San Antonio, Texas (4%), with an expected completion date of March 2026. Fiscal 2025 research, development, test and engineering funds in the amount of $5,271,524 were obligated at time of award. This contract stems from a competitive acquisition for which three proposals were received in response to Broad Agency Announcement No. HR001122S0046. The Defense Advanced Research Projects Agency, Arlington, Virginia, is the contracting activity.
Status
(Open)
Last Modified 4/22/25
Period of Performance
4/21/23
Start Date
10/31/25
Current End Date
3/31/26
Potential End Date
Obligations and Backlog
$40.5M
Total Obligated
$52.2M
Current Award
$52.2M
Potential Award
$11.8M
Funded Backlog
$11.8M
Total Backlog
Award Hierarchy
Definitive Contract
HR001123C0054
Subcontracts
Activity Timeline
Subcontract Awards
Disclosed subcontracts for HR001123C0054
Opportunity Lifecycle
Procurement history for HR001123C0054
Transaction History
Modifications to HR001123C0054
People
Suggested agency contacts for HR001123C0054
Competition
Number of Bidders
3
Solicitation Procedures
Basic Research
Evaluated Preference
None
Commercial Item Acquisition
Commercial Item Procedures Not Used
Simplified Procedures for Commercial Items
No
Other Categorizations
Subcontracting Plan
Individual Subcontract Plan
Cost Accounting Standards
Yes
Business Size Determination
Large Business
Defense Program
None
DoD Claimant Code
None
IT Commercial Item Category
Not Applicable
Awardee UEI
R494GGV1AEM8
Awardee CAGE
1ZG32
Agency Detail
Awarding Office
HR0011 DEF ADVANCED RESEARCH PROJECTS AGCY
Funding Office
HR0011
Created By
eva.hochman.hr0011@darpa.mil
Last Modified By
fpdsadmin
Approved By
eva.hochman.hr0011@darpa.mil
Legislative
Legislative Mandates
None Applicable
Performance District
CT-02
Senators
Richard Blumenthal
Christopher Murphy
Christopher Murphy
Representative
Joe Courtney
Modified: 4/22/25