The Air Force intends to issue a sole-source contract to Chant Engineering Company for annual calibration services on two specific test systems. The work will be performed at the Oklahoma City–Air Logistics Complex (OC-ALC). The contract will be firm-fixed price, and the NAICS code size standard is $12.5 million. Registration in the System for Award Management (SAM) is a mandatory requirement for award. This is a pre-solicitation notice, and quotes are not yet being accepted.