060814-N-8539M-002 (Aug. 14, 2006)US Navy (USN) LT. Christin Crowley (left), a fuels officer, explains the capabilities of a new underground fuel hydrant system at US Rota Naval Base (NB), Spain (ESP), with USN Rear Adm. Ricardo Gomez Enriquez (right), Admiral-in-CHIEF, Rota NB while Naval Station Rota Spanish Protocol Officer, Carlos Corcoles (second from left) and USN CAPT. Earl K. Hampton Jr. (second from right), Commanding Officer (CO), US Naval Station Rota, listens. The new system allow the refueling of four US Air Force (USAF) C-5 Galaxy aircraft simultaneously.U.S. Navy official photo by LT. Mike Morley (RELEASED)