The Missile Defense Agency (MDA) is issuing a Request for Proposal (RFP) HQ0855-25-R-E001 for the AirBorne Sensors (ABS) Program, seeking qualified contractors to participate in a Full and Open Competition. This procurement aims to enhance national defense capabilities through research and development in airborne sensor technologies, which are critical for military applications. Interested offerors must have a Facility Clearance of SECRET to access the Bidder’s Library and a TOP SECRET Facility Clearance to be eligible for contract award, with proposals due electronically via the Procurement Integrated Enterprise Environment (PIEE) by December 4, 2025, at 4:00 PM CST. For further inquiries, contact Krystal Ballinger at Krystal.d.Ballinger.civ@mail.mil.

ABS RFP Access Request Form.pdf

The document outlines the procedures for requesting and handling the AirBorne Sensors (ABS) High Altitude Observatory Program (HALO) Follow-on contract (ABS IV) bidders’ library. Interested parties must complete a form to acknowledge document handling and safeguarding procedures. Eligibility requires a facility clearance and active Joint Certification Program (JCP) certification. The library's content is classified as Controlled Unclassified Information (CUI) and export-controlled technical data, requiring strict adherence to safeguarding protocols, including DoD instructions and DFARS clauses. Access is restricted to U.S. Persons with appropriate security clearances or background checks. Special conditions apply to dual citizens. The document also defines various controlled information types and specifies procedures for handling, transmission (requiring encryption), storage, and disposition of CUI. FOUO/CUI must be secured during and after working hours, with external transmissions encrypted, and destroyed or returned within 60 days of contract award.

IMPORTANT: Please read below for access instructions. Interested Offerors must complete and submit the below attached ABS RFP Access Request Form. Once access is granted, the complete solicitation can be found by logging in at https://piee.eb.mil and search for 'HQ085525RE001' .\*

The Missile Defense Agency (MDA) is issuing this Request for Proposal (RFP) HQ0855-25-R-E001 for the AirBorne Sensors (ABS) Program.  The Government is soliciting this procurement as a Full and Open Competition.

Offerors are notified that in order to be eligible for award, Offerors must be registered in the System for Award Management (SAM) database in accordance with FAR 4.1102. Offerors may obtain information on registration in SAM at https://www.sam.gov.  If you are interested in saving searches, following contract opportunities, requesting secure documents, or signing up for an Interested Vendor List, you will need a login.gov account in SAM.gov.

Prime Offerors must have a Facility Clearance of SECRET in order to be granted access to the Bidder’s Library and a TOP SECRET Facility Clearance to be eligible for award.

In accordance with Section L, Instructions to Offerors, within 10 calendar days of issuance of this Final Request for Proposal, Offerors must submit as applicable:

1. Department of Labor Wage Determination for proposed location of performance; and
2. Solicitation Questions

**FOREIGN OWNERSHIP EXCLUSION****:**

This RFP contains Controlled Unclassified Information (CUI). Companies under Foreign Ownership, Control, or Influence (FOCI) will be excluded from contract award unless steps are taken to negate FOCI or mitigate associated risks to the satisfaction of the U.S. Government.

In accordance with Part 117 of Title 32, Code of Federal Regulations, subsection 11(a), a U.S. entity is considered under FOCI when:

(i) A foreign interest has the power to direct or decide issues affecting the entity's management or operations in a manner that could either:

(A) Result in unauthorized access to classified information; or

(B) Adversely affect performance of a classified contract or agreement.

(ii) The foreign government is currently exercising, or could prospectively exercise, that power, whether directly or indirectly, such as:

(A) Through ownership of the U.S. entity's securities, by contractual arrangements, or other means, or;

(B) By the ability to control or influence the election or appointment of one or more members to the entity's governing board.

For further detailed information regarding FOCI, refer to 32 CFR Part 117.11.

**ACCESS TO RFP AND BIDDERS LIBRARY**

The RFP/Bidders Library, is available to Respondents upon request, subject to clearance validation.  Access to the ABS RFP/Bidders Library is restricted to Respondents that have been cleared by MDA Contracting and Security Officials.  Dissemination by Respondents to potential subcontractors will be in accordance with the ABS DD Form 254, which MDA will provide upon access approval.  Subcontractor access is the responsibility of the Respondent.  In order to receive the CUI documents, the Respondent requires a facility security clearance and level of safeguarding of no less than SECRET.  This requirement shall be flowed down from the Respondent to all subcontractors prior to dissemination of information.

For access requests, Respondents must complete the Document Access Agreement and Request Form and the Contact Information Form.  Please return the completed forms to mda.redstone.dtk.mbx.abs4@mail.mil.  Utilize DoD SAFE site as necessary.

All technical data, computer software, computer software documentation, and programmatic and operational information provided by the MDA is in an "as is" condition without any warranty as to its accuracy, completeness, or adequacy. The Respondents shall use this technical data at its own risk. The MDA assumes no responsibility for such data/documentation nor will the MDA have any liability should such data/documentation prove to be inaccurate, incomplete, or otherwise defective. The recipient shall adhere to and properly control all documents according to the security classification, technical data, computer software, computer software documentation, distribution, privileged or confidential markings as they appear on the various documents.

**PROPOSAL SUBMISSION**

The MDA requests all proposals and supporting documents must be submitted electronically via the Procurement Integrated Enterprise Environment (PIEE) Solicitation Module, https://piee.eb.mil, by Thursday December 4, 2025 at 4:00 PM CST.  Training on the solicitation module is available for proposal managers through PIEE. The PIEE help desk can be reached Monday - Friday, 06:30 - 24:00 EST, at phone: 866-618-5988, Email: disa.global.servicedesk.mbx.eb-ticket-requests@mail.mil or fax Fax: 801-605-7453.  Requests for the library and the restricted proposal and bidders library documents must be submitted via email to: mda.redstone.dtk.mbx.abs4@mail. The request must include the following information:

Company Name: Company/Division

Address:

CAGE Code:

Company Point of Contract for Delivery: (name, email, and phone number)

Mailing Address (if different than Company/Division Address).

The Government will verify the company information identified above in the System for Award Management website (https://SAM.gov/).  Firms without a CAGE Code will not be provided the information. All information provided by electronic means will be unclassified/Controlled Unclassified Information (CUI).

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

Approved for Public Release

25-MDA-12232 (6 Oct 25)

AirBorne Sensors (ABS) Program Final RFP HQ0855-25-R-E001

IMPORTANT: Please read below for access instructions. Interested Offerors must complete and submit the below attached ABS RFP Access Request Form. Once access is granted, the complete solicitation can be found by logging in at https://piee.eb.mil and search for 'HQ085525RE001' .\*

----------------------------------------------------

**UPDATE 10/27/25: ABS4 Final RFP Question and Answers Posted in PIEE**

---------------------------------------------------

The Missile Defense Agency (MDA) is issuing this Request for Proposal (RFP) HQ0855-25-R-E001 for the AirBorne Sensors (ABS) Program.  The Government is soliciting this procurement as a Full and Open Competition.

Offerors are notified that in order to be eligible for award, Offerors must be registered in the System for Award Management (SAM) database in accordance with FAR 4.1102. Offerors may obtain information on registration in SAM at https://www.sam.gov.  If you are interested in saving searches, following contract opportunities, requesting secure documents, or signing up for an Interested Vendor List, you will need a login.gov account in SAM.gov.

Prime Offerors must have a Facility Clearance of SECRET in order to be granted access to the Bidder’s Library and a TOP SECRET Facility Clearance to be eligible for award.

In accordance with Section L, Instructions to Offerors, within 10 calendar days of issuance of this Final Request for Proposal, Offerors must submit as applicable:

1. Department of Labor Wage Determination for proposed location of performance; and
2. Solicitation Questions

**FOREIGN OWNERSHIP EXCLUSION****:**

This RFP contains Controlled Unclassified Information (CUI). Companies under Foreign Ownership, Control, or Influence (FOCI) will be excluded from contract award unless steps are taken to negate FOCI or mitigate associated risks to the satisfaction of the U.S. Government.

In accordance with Part 117 of Title 32, Code of Federal Regulations, subsection 11(a), a U.S. entity is considered under FOCI when:

(i) A foreign interest has the power to direct or decide issues affecting the entity's management or operations in a manner that could either:

(A) Result in unauthorized access to classified information; or

(B) Adversely affect performance of a classified contract or agreement.

(ii) The foreign government is currently exercising, or could prospectively exercise, that power, whether directly or indirectly, such as:

(A) Through ownership of the U.S. entity's securities, by contractual arrangements, or other means, or;

(B) By the ability to control or influence the election or appointment of one or more members to the entity's governing board.

For further detailed information regarding FOCI, refer to 32 CFR Part 117.11.

**ACCESS TO RFP AND BIDDERS LIBRARY**

The RFP/Bidders Library, is available to Respondents upon request, subject to clearance validation.  Access to the ABS RFP/Bidders Library is restricted to Respondents that have been cleared by MDA Contracting and Security Officials.  Dissemination by Respondents to potential subcontractors will be in accordance with the ABS DD Form 254, which MDA will provide upon access approval.  Subcontractor access is the responsibility of the Respondent.  In order to receive the CUI documents, the Respondent requires a facility security clearance and level of safeguarding of no less than SECRET.  This requirement shall be flowed down from the Respondent to all subcontractors prior to dissemination of information.

For access requests, Respondents must complete the Document Access Agreement and Request Form and the Contact Information Form.  Please return the completed forms to mda.redstone.dtk.mbx.abs4@mail.mil.  Utilize DoD SAFE site as necessary.

All technical data, computer software, computer software documentation, and programmatic and operational information provided by the MDA is in an "as is" condition without any warranty as to its accuracy, completeness, or adequacy. The Respondents shall use this technical data at its own risk. The MDA assumes no responsibility for such data/documentation nor will the MDA have any liability should such data/documentation prove to be inaccurate, incomplete, or otherwise defective. The recipient shall adhere to and properly control all documents according to the security classification, technical data, computer software, computer software documentation, distribution, privileged or confidential markings as they appear on the various documents.

**PROPOSAL SUBMISSION**

The MDA requests all proposals and supporting documents must be submitted electronically via the Procurement Integrated Enterprise Environment (PIEE) Solicitation Module, https://piee.eb.mil, by Thursday December 4, 2025 at 4:00 PM CST.  Training on the solicitation module is available for proposal managers through PIEE. The PIEE help desk can be reached Monday - Friday, 06:30 - 24:00 EST, at phone: 866-618-5988, Email: disa.global.servicedesk.mbx.eb-ticket-requests@mail.mil or fax Fax: 801-605-7453.  Requests for the library and the restricted proposal and bidders library documents must be submitted via email to: mda.redstone.dtk.mbx.abs4@mail. The request must include the following information:

Company Name: Company/Division

Address:

CAGE Code:

Company Point of Contract for Delivery: (name, email, and phone number)

Mailing Address (if different than Company/Division Address).

The Government will verify the company information identified above in the System for Award Management website (https://SAM.gov/).  Firms without a CAGE Code will not be provided the information. All information provided by electronic means will be unclassified/Controlled Unclassified Information (CUI).

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

Approved for Public Release

25-MDA-12232 (6 Oct 25)

IMPORTANT: Please read below for access instructions. Interested Offerors must complete and submit the below attached ABS RFP Access Request Form. Once access is granted, the complete solicitation can be found by logging in at https://piee.eb.mil and search for 'HQ085525RE001' .\*

----------------------------------------------------

**UPDATE 10/27/25: ABS4 Final RFP Question and Answers Posted in PIEE**

---------------------------------------------------

The Missile Defense Agency (MDA) is issuing this Request for Proposal (RFP) HQ0855-25-R-E001 for the AirBorne Sensors (ABS) Program.  The Government is soliciting this procurement as a Full and Open Competition.

Offerors are notified that in order to be eligible for award, Offerors must be registered in the System for Award Management (SAM) database in accordance with FAR 4.1102. Offerors may obtain information on registration in SAM at https://www.sam.gov.  If you are interested in saving searches, following contract opportunities, requesting secure documents, or signing up for an Interested Vendor List, you will need a login.gov account in SAM.gov.

Prime Offerors must have a Facility Clearance of SECRET in order to be granted access to the Bidder’s Library and a TOP SECRET Facility Clearance to be eligible for award.

In accordance with Section L, Instructions to Offerors, within 10 calendar days of issuance of this Final Request for Proposal, Offerors must submit as applicable:

1. Department of Labor Wage Determination for proposed location of performance; and
2. Solicitation Questions

**FOREIGN OWNERSHIP EXCLUSION:**

This RFP contains Controlled Unclassified Information (CUI). Companies under Foreign Ownership, Control, or Influence (FOCI) will be excluded from contract award unless steps are taken to negate FOCI or mitigate associated risks to the satisfaction of the U.S. Government.

In accordance with Part 117 of Title 32, Code of Federal Regulations, subsection 11(a), a U.S. entity is considered under FOCI when:

(i) A foreign interest has the power to direct or decide issues affecting the entity's management or operations in a manner that could either:

(A) Result in unauthorized access to classified information; or

(B) Adversely affect performance of a classified contract or agreement.

(ii) The foreign government is currently exercising, or could prospectively exercise, that power, whether directly or indirectly, such as:

(A) Through ownership of the U.S. entity's securities, by contractual arrangements, or other means, or;

(B) By the ability to control or influence the election or appointment of one or more members to the entity's governing board.

For further detailed information regarding FOCI, refer to 32 CFR Part 117.11.

**ACCESS TO RFP AND BIDDERS LIBRARY**

The RFP/Bidders Library, is available to Respondents upon request, subject to clearance validation.  Access to the ABS RFP/Bidders Library is restricted to Respondents that have been cleared by MDA Contracting and Security Officials.  Dissemination by Respondents to potential subcontractors will be in accordance with the ABS DD Form 254, which MDA will provide upon access approval.  Subcontractor access is the responsibility of the Respondent.  In order to receive the CUI documents, the Respondent requires a facility security clearance and level of safeguarding of no less than SECRET.  This requirement shall be flowed down from the Respondent to all subcontractors prior to dissemination of information.

For access requests, Respondents must complete the Document Access Agreement and Request Form and the Contact Information Form.  Please return the completed forms to mda.redstone.dtk.mbx.abs4@mail.mil.  Utilize DoD SAFE site as necessary.

All technical data, computer software, computer software documentation, and programmatic and operational information provided by the MDA is in an "as is" condition without any warranty as to its accuracy, completeness, or adequacy. The Respondents shall use this technical data at its own risk. The MDA assumes no responsibility for such data/documentation nor will the MDA have any liability should such data/documentation prove to be inaccurate, incomplete, or otherwise defective. The recipient shall adhere to and properly control all documents according to the security classification, technical data, computer software, computer software documentation, distribution, privileged or confidential markings as they appear on the various documents.

**PROPOSAL SUBMISSION**

The MDA requests all proposals and supporting documents must be submitted electronically via the Procurement Integrated Enterprise Environment (PIEE) Solicitation Module, https://piee.eb.mil, by Thursday December 4, 2025 at 4:00 PM CST.  Training on the solicitation module is available for proposal managers through PIEE. The PIEE help desk can be reached Monday - Friday, 06:30 - 24:00 EST, at phone: 866-618-5988, Email: disa.global.servicedesk.mbx.eb-ticket-requests@mail.mil or fax Fax: 801-605-7453.  Requests for the library and the restricted proposal and bidders library documents must be submitted via email to: mda.redstone.dtk.mbx.abs4@mail. The request must include the following information:

Company Name: Company/Division

Address:

CAGE Code:

Company Point of Contract for Delivery: (name, email, and phone number)

Mailing Address (if different than Company/Division Address).

The Government will verify the company information identified above in the System for Award Management website (https://SAM.gov/).  Firms without a CAGE Code will not be provided the information. All information provided by electronic means will be unclassified/Controlled Unclassified Information (CUI).

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

Approved for Public Release

25-MDA-12232 (6 Oct 25)

AirBorne Sensors (ABS) Program Final RFP HQ0855-25-R-E001

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