This opportunity is for the repair of four Oil Tank Assemblies, involving inspection and potential restoration to serviceable condition through one of three defined effort levels: Test, Teardown, and Evaluation (TT&E) only; TT&E with Minor Repair; or TT&E with Major Repair. The work consists of fixed-price (FFP) TT&E and not-to-exceed (NTE) pricing for any subsequent minor or major repairs. This procurement is restricted to prequalified sources, and vendors not already approved must submit a Source Approval Request (SAR) package to qualify. The performance location is not specified in the provided description.