Project Description: The primary objective of this solicitation is to secure services that ensure minimal interuption of mission-critical operations at the Marine Corps Air Station (MCAS) Air Traffic Control Maintenance Division (ATCMD). This vital requirement will be achieved by providing comprehensive preventative maintenance and rapid emergency repair services for designated Government-owned Environmental Control Units (ECUs) and Air Conditioners (ACs). To guarantee consistent and reliable equipment performance, all services under this resulting contract must be executed strictly in accordance with Original Equipment Manufacturer (OEM) recommendations. The complete equipment inventory, performance standards, and submission requirements are detailed in the attached Performance Work Statement (PWS).