Service Training certificate from the Glenn L. Martin Company
issued in 1942 during WWII. This historic document has an ornate border around it with airplanes and a vignette of the company's logo. This item has the hand signature of the Company’s Director of Service Training and the printed signature of Glenn L. Martin, and is over 75 years old. Folds. The certificate was issued to John M. Ruggiero.
The Glenn L. Martin Company was an American aircraft and aerospace manufacturing company that was founded by the aviation pioneer Glenn L. Martin. The Martin Company produced many important aircraft for the defense of the United States and its allies, especially during World War II and the Cold War. Also, during the 1950s and 60s, the Martin Company moved gradually out of the aircraft industry and into the guided missile, space exploration, and space utilization industries.
In 1961, the Martin Company merged with the American-Marietta Corporation, a large sand and gravel mining company, forming the Martin Marietta Corporation. Then, in 1995, Martin Marietta merged with aerospace giant Lockheed to form the Lockheed Martin Corporation.
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