The Shipboard Variant Air Conditioner is an electric powered unit used to supply conditioned air to the AV-8, E-2, EA-6B, EA-18G, FA-18 & F-35 equipment and avionics compartments during maintenance on board CVNs and LHA/LHDs. 

The electronic Consolidated Support System (eCASS) is the Navy's 21st century Automated Test System (ATS) used to support repairs of  AV-8, E-2D, EA-18G, FA-18, F-35, H-1, H-53, H-60, T-45 & V-22 avionics and weapon systems at Fleet Readiness Centers (FRCs) ashore and Avionics Intermitted Maintenance Department (AIMD) afloat.  

The Land Based Variant Air Conditioner is a diesel/electric powered unit used to supply conditioned air to the AV-8, E-2, EA-6B, EA-18G, FA-18 & F-35 equipment and avionics compartments during maintenance on landbased sites.  

The Shipboard Tow Tractor’s primary role is the handling of aircraft aboard the flight deck of naval ships (CVNs & LHA/LHDs).  In addition to maneuvering aircraft, the STT is required to provide a mobile platform and fuel source for the Jet engine Air Start Unit, MSU-200NAV.