Advanced Propulsion Acquisition Contract (APAC) IDIQ

language in Section M, Section 2.1.2. Any resubmission will supersede the original submitted proposal for consideration under this Request for Proposal. Therefore, any vendor who resubmits their proposal in light of this clarification must resubmit the entirety of their proposal, to include all volumes and/or attachments as described in Section L, for consideration. Not responding to this amendment will not disqualify an Offeror from consideration for the APAC IDIQ. All offerors shall submit in accordance with the solicitation. The Government will continue to receive proposals until the date and time expressed in Section L. All questions must be submitted to the government by 20 Apr 2026 at 1600 EST. **Update 4/7/26 - Uploaded Responses to Industry attachment** Uploaded an attachment (Responses to Industry Questions 7 Apr 26 AMENDED) with responses to the questions submitted. There was an amendment to Question and Answer 1 regarding the CMMC answer. The previous file has been hidden to prevent confusion. **Update 4/7/26 - Uploaded Responses to Industry attachment** Uploaded an attachment (Responses to Industry Questions 7 Apr 26) with responses to the questions submitted. **Update 4/2/26 - Uploaded Responses to Industry attachment** Uploaded a more accessable copy of the solicitation document (SF33). No updates were made to this form outside of accesibility. **Update 4/1/26 - Uploaded Responses to Industry attachment** Uploaded an attachment (Responses to Industry Questions 1 Apr 26) with responses to the questions submitted. Additionally, an editable copy of the solicitation document (SF33) has been uploaded in response to industry comments on the previously locked verison. No updates were made to this form outside of removing the password protection to allow for industry response. **Update 3/27/26 - Uploaded Responses to Industry attachment** Uploaded an attachment (Responses to Industry Questions 27 Mar 26) with responses to the questions submitted. **Update 3/19/26 - Uploaded Responses to Industry attachment** Uploaded an attachment (Responses to Industry Questions 19 Mar 26) with responses to the questions submitted.