This requirement is sole sourced to DRS Network and Imaging Systems, Inc. CAGE 32865 in accordance with FAR 6.103-1(b); “…only one responsible source and no other supplies or services will satisfy agency requirements.” SPRRA226R0071's purpose is to add IBAS parts to the DRS/DLA Enterprise Umbrella contract SPRRA220D0011's contract SPRRA220D0012 for 2 ordering periods; ideally, Fiscal Year (FY) 2027 (FY27) through 2028 (FY28). The Government contemplates Firm-Fixed-Pricing (FFP) for this effort in accordance with the overarching basic contract, and requests pricing for two (2) years. This is an RFP for part support requirements generated by the Tactical Aviation and Grounds Munitions (TAGM) and AMCOM Logistics Center (ALC) Project Offices used on the Improved Bradley Acquisition Subsystem (IBAS). The offeror is required to price 2 ordering periods (FY27-28). Currently solicited items and possibly more items in the future will be repriced again at the end of FY28. Cost and Pricing Proposal Content/Cost/Price Supporting Documentation. At a minimum, offeror proposal shall include the following: The offeror shall prepare one summary schedule. Along with the summary schedule, the offeror shall provide fully supportable cost data which substantiates the offeror's summary schedule for the P/Ns. Submission must include working excel formulas, if applicable. Submission shall be in accordance with FAR 15.408-2, Table 15-1, Instructions for Submitting Cost/Price Proposals When Certified Cost or Pricing Data Are Required. Back up documentation shall detail the labor categories to be used, labor hours proposed by category, material and equipment cost, and a total cost breakdown. The offeror shall also provide supporting cost/price documentation for all proposed subcontractors, to include the proposed type of subcontract. Accordingly, proposal submittal shall include mandated price analysis of all subcontractor proposals and a cost analysis of each subcontractor proposal for which certified cost or pricing data is required. Fair and reasonable subcontractor analysis in accordance with FAR 15.404-8 Subcontract Pricing Considerations shall accompany proposal submission. An un-sanitized cost breakdown (all cost information, rates/dollars) shall also be provided in a Microsoft Excel File. The proposed Indirect Expense Rates, Inter-Organizational Transfers (IOTs) and its subcontractor(s) shall provide documentation of the most recent Indirect Expense Rates, to include at least one of the following: Forward Pricing Rate Agreements (FPRAs) with DCAA or DCMA; or Forward Pricing Rate Recommendations (FPRR) from DCAA or DCMA; or Forward Pricing Rate Proposal (FPRP), Approved Provisional Rates Proposal or other statement of current rates including three (3) years of Incurred Cost Submissions to DCAA detailing pools and bases (by expense accounts) information which validates the calculations or Three (3) years historical actual detailing pools and bases (by expense account…