This is a sources sought notice for a firm-fixed-price contract to provide maintenance and calibration services at the Norfolk Naval Shipyard in Portsmouth, VA. The requirement is sole-sourced to Air Techniques International, and no other bids will be accepted. The applicable NAICS code is 811210 with a size standard of $34 million. No budget amount or submission timeline is specified in the description. Interested parties must be registered in the System for Award Management (SAM) database.