The Department of Defense, specifically the Department of the Air Force, intends to award a firm-fixed price purchase order for two Ludlum Measurements Radiological Detection Systems (RDS), model no. AN/PDR-83, to Ludlum Measurements, Inc. located in Broomfield, Colorado. This procurement is essential for enhancing radiological detection capabilities, which are critical for safety and operational readiness in defense operations. The acquisition will utilize Simplified Acquisition Procedures under FAR Part 13.106-1(b)(1)(i), and interested parties are invited to express their capabilities within nine calendar days of this notice. For further inquiries, potential respondents may contact Mr. José A. Olmo-Rivera at jose.olmo_rivera@us.af.mil or Mr. Charles D. Rhea at charles.rhea.1@us.af.mil.