with the GE T700-GE-701D engine. The U.S. Army Corpus Christi Army Depot is upgrading UH-60A helicopters to the UH-60L configuration. In July 2018, Sierra Nevada Corporation proposed upgrading some converted UH-60L helicopters for the U.S. Air Force's UH-1N replacement program. UH-60V Black Hawk: Upgraded version of the UH-60L with the electronic displays (glass cockpit) of the UH-60M. Upgrades performed by Northrop Grumman featuring a centralized processor with a partitioned, modular operational flight program enabling capabilities to be added as software-only modifications. UH-60M Black Hawk: Improved design wide chord rotor blades, T700-GE-701D engines (max each), improved durability gearbox, Integrated Vehicle Health Management System (IVHMS) computer, and new glass cockpit. Production began in 2006. Planned to replace older U.S. Army UH-60s. UH-60M Upgrade Black Hawk: UH-60M with fly-by-wire system and Common Avionics Architecture System (CAAS) cockpit suite. Flight testing began in August 2008. Special purpose EH-60A Black Hawk: UH-60A with modified electrical system and stations for two electronic systems mission operators. All examples of type have been converted back to standard UH-60A configuration. YEH-60B Black Hawk: UH-60A modified for special radar and avionics installations, prototype for stand-off target acquisition system. EH-60C Black Hawk: UH-60A modified with special electronics equipment and external antenna. (All examples of type have been taken back to standard UH-60A configuration.) EUH-60L (no official name assigned): UH-60L modified with additional mission electronic equipment for Army Airborne C2. EH-60L Black Hawk: EH-60A with major mission equipment upgrade. UH-60Q Black Hawk: UH-60A modified for medical evacuation. The UH-60Q is named DUSTOFF for "dedicated unhesitating service to our fighting forces". HH-60L (no official name assigned): UH-60L extensively modified with medical mission equipment. Components include an external rescue hoist, integrated patient configuration system, environmental control system, on-board oxygen system (OBOGS), and crashworthy ambulatory seats. HH-60M Black Hawk: UH-60M with medical mission equipment (medevac version) for U.S. Army. HH-60U: USAF UH-60M version modified with an electro-optical sensor and rescue hoist. Three in use by Air Force pilots and special mission aviators since 2011. Has 85% commonality with the HH-60W. HH-60W Jolly Green II: Modified version of the UH-60M for the U.S. Air Force as a Combat Rescue Helicopter to replace HH-60G Pave Hawks with greater fuel capacity and more internal cabin space, dubbed the "60-Whiskey". Deliveries to begin in 2019. MH-60A Black Hawk: 30 UH-60As modified with additional avionics, night vision capable cockpit, FLIR, M134 door guns, internal auxiliary fuel tanks and other Special