SS United States is a luxury passenger liner built in 1952 for United States Lines designed to capture the trans-Atlantic speed record.
Built at a cost of $78 million, the ship is the largest ocean liner constructed entirely in the US, the fastest ocean liner to cross the Atlantic in either direction, and even in her retirement retains the Blue Riband given to the passenger liner crossing the Atlantic Ocean in regular service with the record highest speed.
Her construction was subsidized by the US government, since she was designed to allow conversion to a troop carrier should the need arise. United States operated uninterrupted in transatlantic passenger service until 1969. Since 1996 she has been docked at Pier 82 on the Delaware River in Philadelphia.
The Boeing 777 is a family of long-range wide-body twin-engine jet airliners developed and manufactured by Boeing Commercial Airplanes. It is the world’s largest twinjet and has a typical seating capacity for 314 to 451 passengers, with a range of 5,235 to 9,380 nautical miles (9,695 to 17,372 km). Commonly referred to as the “Triple Seven”, its distinguishing features include the largest-diameter turbofan engines of any aircraft, six wheels on each main landing gear, fully circular fuselage cross-section, and a blade-shaped tail cone. Developed in consultation with eight major airlines, the 777 was designed to replace older wide-body airliners and bridge the capacity difference between Boeing’s 767 and 747. As Boeing’s first fly-by-wire airliner, it has computer-mediated controls. It is also the first entirely computer-aided designed commercial aircraft.
The 777 is produced in two fuselage lengths as of 2014. The original 777-200 variant entered commercial service in 1995, followed by the extended-range 777-200ER in 1997. The stretched 777-300, which is 33.25 ft (10.1 m) longer, followed in 1998. The longer-range 777-300ER and 777-200LR variants entered service in 2004 and 2006 respectively, while the 777F, a freighter version, debuted in February 2009; these variants all feature General Electric GE90 engines and extended raked wingtips. The earlier 777-200, -200ER and -300 versions are equipped with GE90, Pratt & Whitney PW4000, or Rolls-Royce Trent 800 engines. The 777-200LR is the world’s longest-range airliner, able to fly over halfway around the globe, and holds the record for the longest distance flown non-stop by a commercial aircraft.
