USS Theodore Roosevelt (CVN-71) is the fourth ship in the Nimitz-class of nuclear powered aircraft carriers. She was laid down on Oct. 31 1981 at Newport News shipyard, launched on October 27, 1984 and commissioned on Oct. 26 1986. The flight deck measures 333m x 76.8m and is equipped with four lifts, four steam-driven catapults and four arrester wires. The carrier is capable of launching one aircraft every 20 seconds. The nuclear-powered carrier has two General Electric pressurized water reactors driving four turbines of 260,000hp and four shafts. There are four emergency diesels of 10,720hp. The carrier already participated in several wars and operations: The Gulf War in 1991, Operation Allied Force in 1999, Operation Enduring Freedom in 2001/2002 and Operation Iraqi Freedom in 2003.