U.S. Navy’s Fourth Fleet tests PUMA unmanned aerial vehicle KEY WEST, U.S.A. – Rear Adm. Sinclair Harris, commander of the U.S. Navy’s Fourth Fleet, watches the live images transmitted from the PUMA unmanned aerial vehicle to the system’s portable computer. (Sandra Marina/Diálogo) « ‹ of 9 › » Share on Social Media 00000 Related Posts Enduring Promise of Humanitarian Support and Camaraderie Ecuadorian Military Leaders Visit Kentucky National Guard