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Unmanned aircraft system traffic management
Unmanned aircraft system traffic management (UTM) is a framework for safely coordinating drone flights at low altitudes, developed by NASA from 2013 and now overseen by the FAA.
Unmanned combat aerial vehicle
An unmanned combat aerial vehicle (UCAV), or combat drone, is an unmanned aircraft armed with missiles, bombs, or guns; unlike surveillance drones, it is built to engage targets.
UPS Airlines
UPS Airlines is the cargo airline of United Parcel Service, certified by the FAA in 1988 and based at its Worldport hub in Louisville, Kentucky.
UPS Airlines Flight 6
UPS Airlines Flight 6 was a cargo flight from Dubai to Cologne that crashed on September 3, 2010, after a lithium battery cargo fire, killing both pilots.
Urban Air Mobility
Urban Air Mobility is an air transportation system using highly automated aircraft, mostly electric vertical take-off and landing vehicles, to move passengers and cargo in cities.
US Airways
US Airways, also known as US Air, was a major American airline formed from Allegheny Airlines and named US Airways in 1997, until it merged with American Airlines in 2013.
US Airways Flight 1549
US Airways Flight 1549, known as the "Miracle on the Hudson," ditched in the Hudson River in 2009 after geese disabled both engines; all 155 aboard survived.
US-Bangla Airlines
US-Bangla Airlines is a privately owned Bangladeshi airline headquartered in Dhaka, operating domestic and international flights from Hazrat Shahjalal International Airport. Founded in 2014, it is Bangladesh's largest private carrier.
US-Bangla Airlines Flight 211
US-Bangla Airlines Flight 211, a Dhaka to Kathmandu flight on a Bombardier Dash 8 Q400, crashed landing at Kathmandu, Nepal, on 12 March 2018, killing 51 of 71 aboard.
USAir Flight 1016
USAir Flight 1016 was a DC-9 flight from Columbia, South Carolina, that crashed near Charlotte on July 2, 1994, in a microburst, killing 37 of 57 aboard.
USAir Flight 427
USAir Flight 427 was a scheduled flight from Chicago-O'Hare to Pittsburgh that crashed while landing on September 8, 1994, killing all 132 people aboard; the NTSB blamed a rudder reversal.
USS Abraham Lincoln (CVN-72)
USS Abraham Lincoln (CVN-72) is a United States Navy Nimitz-class nuclear-powered aircraft carrier, the fifth of ten, commissioned in 1989 and homeported in San Diego.
USS Akron
USS Akron (ZRS-4) was a US Navy rigid airship, a flying aircraft carrier built by Goodyear-Zeppelin, that crashed off New Jersey in April 1933, killing 73 of the 76 aboard.
USS America (CV-66)
USS America (CV-66) was a Kitty Hawk-class aircraft carrier of the United States Navy, commissioned in 1965, which served in Vietnam and Desert Storm before being sunk as a target in 2005.
USS Boxer (LHD-4)
USS Boxer (LHD-4) is a Wasp-class amphibious assault ship of the United States Navy, commissioned in 1995, homeported at San Diego, the sixth ship to bear the name.
USS Bunker Hill (CV-17)
USS Bunker Hill (CV-17) was a US Navy Essex-class aircraft carrier of World War II, flagship of Admiral Mitscher, devastated by a kamikaze attack off Okinawa in May 1945.
USS Carl Vinson
USS Carl Vinson (CVN 70) is the third Nimitz-class nuclear-powered aircraft carrier of the United States Navy, homeported in San Diego and named for Congressman Carl Vinson of Georgia.
USS Chicago (CA-29)
USS Chicago (CA-29) was a Northampton-class heavy cruiser of the United States Navy, commissioned in 1931, that fought in the early Pacific campaigns of World War II.
USS Constellation (CV-64)
USS Constellation (CV-64) was a Kitty Hawk-class aircraft carrier of the United States Navy, commissioned in 1961, that flew combat operations from Vietnam through Operation Iraqi Freedom.
USS Coral Sea (CV-43)
USS Coral Sea (CV-43) was a US Navy Midway-class aircraft carrier, in service from 1947 to 1990 and spending more days on the line off Vietnam than any other carrier.
USS Dwight D. Eisenhower
USS Dwight D. Eisenhower (CVN-69), known as "Ike", is a Nimitz-class nuclear-powered aircraft carrier of the United States Navy, commissioned in 1977 and named for the 34th President.
USS Enterprise (CV-6)
USS Enterprise (CV-6), nicknamed the Big E, was a Yorktown-class United States Navy aircraft carrier that fought from Pearl Harbor to Okinawa, the most decorated U.S. warship of World War II with 20 battle stars.
USS Enterprise (CVN-65)
USS Enterprise (CVN-65), nicknamed the Big E, was the United States Navy's first nuclear-powered aircraft carrier, serving 50 years and 25 deployments from 1961 to 2012.
USS Enterprise (CVN-80)
USS Enterprise (CVN-80) is the third Gerald R. Ford-class nuclear-powered aircraft carrier, the ninth US Navy ship to bear the name, under construction at Newport News Shipbuilding in Virginia.
USS Essex (CV-9)
USS Essex (CV-9) was the lead ship of the Essex-class aircraft carriers, serving from 1942 through World War II, Korea, and the Cold War until 1969.
USS Franklin (CV-13)
USS Franklin (CV-13), nicknamed Big Ben, was a US Navy Essex-class aircraft carrier in the Pacific that survived a March 1945 attack killing roughly 800 men, was never repaired for service, and was scrapped in 1966.
USS George Washington (CVN-73)
USS George Washington (CVN-73) is a Nimitz-class nuclear-powered aircraft carrier of the United States Navy, commissioned in 1992 and in 2008 the first nuclear-powered carrier forward-deployed to Japan.
USS Gerald R. Ford
USS Gerald R. Ford (CVN-78) is a United States Navy nuclear-powered aircraft carrier, the largest warship in the world and the lead ship of the Ford class, commissioned in 2017.
USS Harry S. Truman
USS Harry S. Truman (CVN 75) is a Nimitz-class nuclear-powered aircraft carrier of the United States Navy, commissioned in 1998 and homeported at Norfolk, Virginia.
USS Hornet (CV-12)
USS Hornet (CV-12) is an Essex-class aircraft carrier commissioned in 1943 that fought in the Pacific in World War II and recovered the Apollo 11 and Apollo 12 crews.