The Naval Air Warfare Center Weapons Division at China Lake, CA intends to sole-source a Roll MOI System from Raptor Scientific, including a Roll Axis MOI Fixture, a Model KSR6000 CG and MOI Instrument, and installation/operator training. The system must support payload measurement with NIST-traceable calibration and include a Windows computer with automated mass properties software. Performance of services is at the contractor’s facility for assembly and testing, with the government location in China Lake, CA. No budget amount is specified. The RFP will be posted on SAM.gov on or about August 15, 2026, and written responses are due 15 days from the notice date.