NAVAIR, on behalf of PMA-271, is soliciting E-6B Mercury Depot Maintenance, Repair and Overhaul (MRO) services under a planned single Indefinite Delivery Indefinite Quantity (IDIQ) contract. The IDIQ is anticipated to have a five-year base ordering period plus one five-year option, covering FY 2027 through FY 2036, with planned award in Q4 of Government FY 2027. The solicitation is restricted to U.S.-incorporated companies verified through SAM.gov and is available through the PIEE Solicitation Module. Interested offerors must request access in writing and provide a certified DD Form 2345; technical documents may also be provided to potential prime contractors via DoD SAFE after approval. The final RFP and technical documents may contain CUI and export-controlled information, requiring offerors to flow down handling, distribution, and destruction requirements to subcontractors and team members.