Dress Blue Uniform; instead Navy Dress Blue and White uniforms are worn. Other wear of combat utilities In addition to Marine Corps detachments, combat utilities are also worn by Navy SEAL teams, along with SWCC crews who conduct clandestine maritime operations including supporting SEAL platoons and SOF cells. The Combat Utility Uniform (CUU) is authorized for those in the Explosive Ordnance Disposal (EOD) and Fleet Diver communities. Combat utilities are also authorized for those attached to the Naval Construction Force (NCF) (Seabee), Navy's Expeditionary Logistics Group, or the Navy's Expeditionary Combat Command (NECC). Also, Navy personnel assigned to some joint headquarters units, like Central Command in Qatar and Iraq, wear Desert Utility Uniforms (DUU). Navy personnel such as Individual Augmentees, Combat Camera Groups, Detainee OPS, and some in the special warfare community have been wearing the Army's ACU (Army Combat Uniform) when working closely with or attached to Army commands. Naval aviation personnel Aviators, Naval Flight Officers, and Naval Aircrewmen are authorized to wear green or desert flight suits (made of nomex for fire protection), with rank insignia for officers stitched on the shoulders, and a name tag/warfare insignia on the left breast pocket. Either a Command/Navy ballcap or a Khaki Garrison Cap (for Commissioned Officers and CPOs) are worn with this uniform. Green flight suits are the standard wear; however, wing commanders may authorize desert flight suits for personnel located in hot climates. As of 2012, flight suits may now be worn off base in the same manner as the Navy Working Uniform. Coveralls are authorized to be worn with either the all-weather coat or utility jacket (for petty officers only). Flight deck Flight deck crew wear colored jerseys which distinguish each personnel's function by sight. USS Constitution The ship is the oldest commissioned ship in the U.S. Navy, the only one of the six original United States frigates still in existence. Constitution is presented to the public as the ship appeared during the War of 1812, and personnel stationed aboard Constitution still wear uniforms according to regulations posted in 1813. These uniforms are worn on ceremonial occasions, such as the annual turn-around cruise in Boston every Independence Day. U.S. Naval Academy Naval Academy midshipmen, in addition to standard Navy officer uniforms, also wear parade dress of traditional 19th-century military cut, waist-length tunics with stand collars and double rows of gold buttons. Prisoners Prisoners in the custody of Navy