Naval Surface Warfare Center Carderock Division (NSWCCD) intends to award a firm fixed price contract to Mirion Technologies (Canberra), Inc. for the procurement of Cronos-11, GEM-5, and GEM-5N Maintenance, Hardware and Training on a Sole Source basis under the authority of FAR Part 13.106-1(b) the Contracting Officer has determined that circumstances of the contract action deem only one source reasonably available.