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TDDEC Orbital mechanics trainers
A large orbital mechanics trainer is prepared for shipping from the Vandenberg Training Device Design and Engineering Center, Nov. 25, 2019, Vandenberg AFB, Calif. TDDEC has been building training tools and devices for space and missile professionals for more than 60 years, and orbital mechanics trainer orders at TDDEC have been on the rise over the past few years, a testament to the growing importance of space education in today’s Air Force. (U.S. Air Force photo by Michael Peterson)

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Photo by: Michael Peterson |  VIRIN: 191118-F-IN231-001.JPG