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Lockheed Martin X-33
The Lockheed Martin X-33, a subscale demonstrator for NASA's proposed VentureStar reusable launch vehicle, took off vertically and was to land horizontally like an airplane before its cancellation in 2001.
Lockheed Martin X-35
The Lockheed Martin X-35 was a Skunk Works concept demonstrator that beat the Boeing X-32 in the Joint Strike Fighter competition in 2001, becoming the F-35 Lightning II.
Lockheed Martin X-59 Quesst
The Lockheed Martin X-59 Quesst is a NASA experimental supersonic aircraft designed to fly faster than sound with a quiet thump instead of a sonic boom.
Lockheed MC-130
The Lockheed MC-130 is a family of US Air Force special operations variants of the C-130 Hercules, built for clandestine infiltration, resupply, and refueling of helicopters since 1966.
Lockheed Model 10 Electra
The Lockheed Model 10 Electra, also called the Lockheed L-10, is an American twin-engine ten-passenger airliner first flown in 1934, best known as Amelia Earhart's aircraft.
Lockheed P-2 Neptune
The Lockheed P-2 Neptune, originally P2V, is a twin-engine American maritime patrol and anti-submarine aircraft first flown in 1945, serving the Navy from 1947 into the Cold War.
Lockheed P-3 Orion
The Lockheed P-3 Orion (P-3 Orion) is a land-based anti-submarine patrol aircraft developed for the US Navy from the L-188 Electra airliner, first fielded in 1962 and replaced by the P-8A Poseidon.
Lockheed P-38 Lightning
The Lockheed P-38 Lightning was an American twin-engine, twin-boom fighter of World War II, designed in 1937 as a high-altitude interceptor and flown by top American aces Richard Bong and Thomas McGuire.
Lockheed P-80 Shooting Star
The Lockheed P-80 Shooting Star, redesignated F-80 in 1948, was the US Army Air Forces' first operational jet fighter, first flown in 1944 and used widely in the Korean War.
Lockheed S-3 Viking
The Lockheed S-3 Viking was a twin-engine, four-crew carrier-based jet built for US Navy anti-submarine warfare, the Navy's only ASW jet, retired from fleet service in 2009.
Lockheed SR-71 Blackbird
The Lockheed SR-71 Blackbird, also known as the SR-71, is an American Mach 3 strategic reconnaissance aircraft flown by the US Air Force from 1966 to 1990.
Lockheed T-33
The Lockheed T-33 Shooting Star, known as the T-Bird, is a two-seat jet trainer developed from the P-80 fighter, serving as the US Air Force's only jet trainer from 1948 to 1957.
Lockheed U-2
The Lockheed U-2, nicknamed Dragon Lady, is an American high-altitude reconnaissance aircraft designed by Kelly Johnson's Skunk Works, flying at 70,000 feet for the United States since 1956.
Lockheed Vega
The Lockheed Vega is an American single-engine, high-wing monoplane first delivered in 1927, one of the fastest aircraft of its day and a favorite of record-setting pilots.
Lockheed Ventura
The Lockheed Ventura, also known as the B-34 Ventura, was a twin-engine medium and patrol bomber of World War II, developed from the Lockheed Lodestar airliner.
Lockheed X-7
The Lockheed X-7, nicknamed the Flying Stove Pipe, was an American unmanned ramjet test vehicle flown by the U.S. Air Force from 1951 to 1960.
Lockheed XFV
The Lockheed XFV, also known as the XFV-1 Salmon, was an American experimental tail-sitting VTOL fighter prototype built by Lockheed in the early 1950s for the US Navy.
Lockheed YF-12
The Lockheed YF-12 was an experimental Mach 3 fighter-interceptor version of the A-12 built for the US Air Force, with three prototypes flown from 1963.
Lockheed YF-22
The Lockheed YF-22, also known as the YF-22A, was a twin-engine stealth fighter prototype that won the Air Force's 1991 ATF competition over the YF-23.
Locking differential
A locking differential, also called a diff lock or differential lock, mechanically joins both axle shafts so both wheels turn at the same speed on poor traction.
Lockport (town), New York
Lockport is a town in Niagara County, New York, established in 1824 from parts of Cambria and Royalton, named for the Erie Canal locks ascending the Niagara Escarpment.
Lockport, New York
Lockport, New York, is a city in Niagara County named for the Flight of Five Erie Canal locks that lift boats about 60 feet up the Niagara Escarpment.
Locksmithing
Locksmithing is the trade of installing, repairing, and bypassing locks and security hardware, and of cutting keys. Its oldest known lock is a 4,000-year-old wooden pin-tumbler device from Egypt.
Lockstep (computing)
Lockstep is a synchronization method in which processors or simulation components advance together in coordinated steps: in hardware, two processors execute the same instructions from the same clock, one checking for errors.
Locomanipulation
Locomanipulation, short for locomotion plus manipulation, is the coordinated movement of a robot's body while interacting with objects, a defining challenge of whole-body humanoid control.
Locomation
Locomation was an American autonomous trucking startup founded in Pittsburgh in 2018 as a Carnegie Mellon spinout; its ARC system electronically tethered an autonomous follower truck to a human-driven lead truck.
Locomotion No. 1
Locomotion No. 1 is an 1825 steam locomotive by Robert Stephenson & Co. that hauled the first train on the first public railway, now displayed at Shildon.
Locomotive
A locomotive, or railway engine, is a rail traction vehicle that carries no payload and hauls unpowered coaches and wagons, first hauling a load in 1804.
Locomotive books and magazines
Locomotive books and magazines are the publishing side of railway enthusiasm, spanning consumer magazines, society journals, and reference books, a tradition dating to The Locomotive Magazine of 1896.
Locomotive classification and numbering systems
Railways identify locomotives through classification schemes, which group vehicles into classes readable from the designation, and numbering systems that give each vehicle a unique registered identifier.