1912: The Alco Hydro-Aeroplane Company established
1916: Company renamed Loughead Aircraft Manufacturing Company
1926: Lockheed Aircraft Company formed
1927: Lockheed Vega was introduced
1928: Air Express and revamped Vega flew the first time
1929: Lockheed becomes a division of Detroit Aircraft, Sirius flew the first time
1930: Lockheed Altair took to the air
1931: Model 9 Orion, the first aircraft with retractable landing gear, took off the first time
1932: Robert and Courtland Gross take control of company after the bankruptcy of Detroit Aircraft. Company renamed Lockheed Aircraft Corporation, recognizing the company's reorganization under a board of directors
1934: The Model 10 Electra was launched
1936: Lockheed launched the Model 12 Electra Junior
1938: Lockheed Model 18 Lodestar made its maiden flight
1939: P-38 Lightning flew the first time
1941: PV-1 Ventura made its first flight
1943: Lockheed Constellation took to the air 1943: Lockheed's Skunk Works founded in Burbank, California
1944: The Model 33 Little Dipper, offered to the Army as a "flying motorcycle"
1944: Lockheed's first jet fighter, the XP-80 Shotting Star flew the first time
1945: P-2 Neptune flew for the first time
1945: Research into the civil lightplane and military light utility aircraft market with the Model 35 Big Dipper
1946: At that time the world's biggest, the RV6 Constitution, airplane took to the air
1946: The twin engined Lockheed Model 75 Saturn flew the first time
1948: T-33 Shooting Star started to its maiden flight and remained in production for 10 years
1949: F-94 Starfire started for the first time
1954: First flight of the C-130 Hercules
1954: F-104 Starfighter was launched
1955: XFV "Salmon" experimental tailsitter prototype (VTOL) fighter aircraft had its first flight
1955: Maiden flight of the U-2
1957: First flight of C-140 Jetstar
1957: L-188 Electra made its maiden flight
1958: P-3 Orion was born
1962: H-51 (Model 186) a single-engine experimental helicopter had its first flight
1963: C-141 Starlifter started its career
1963: First flight of the legendary YF-12
1964: Followed by the SR-71 Blackbird
1967: AH-56 Cheyenne attack helicopter developed for the U.S. Army took to the air
1968: C-5A Galaxy flew the first time
1970: L-1011 Tristar started to its first flight
1972: S-3 Viking started its career
1976: The Lockheed bribery scandals
1977: Company renamed Lockheed Corporation, to reflect non-aviation activities of the company
1978: The company's Hollywood-Burbank Airport is sold to its nearby cities and becomes Burbank-Glendale-Pasadena airport (later renamed Bob Hope Airport in 2003)
1981: F-117 Nighthawk flew first time until presented to the public in 1988
1985: Acquires Metier Management Systems
1986: Acquires Sanders Associates electronics.
1991: Lockheed, General Dynamics and Boeing begin development of the F-22
1992: All aerospace related activities end at the Burbank facility
1993: Acquires General Dynamics Fort Worth aircraft division, builder of the F-16 Fighting Falcon
1995: Lockheed Corporation merges with Martin Marietta to form Lockheed Martin
1996: F-35 Lightning II joint Strike Fighter development contract was signed
1997: F-22 Raptor made its first flight
2000: X-35A took to the air the first time
2000: Lockheed sold Sanders to BAE Systems for $ 1.67 billion.
2015: Lockheed Martin purchased Sikorsky from UTC for $9.0 billion