Samuel A. Greaves is a retired

United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army S ...

Lieutenant General Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...

who is now a vice president and the chief architect for space and launch at

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and ...

. In the U.S. Air Force, he last served as the Commander of the Missile Defense Agency. Prior to that, he was the Commander of the Space and Missile Systems Center.

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* Year of birth missing (living people) Living people Place of birth missing (living people) United States Air Force generals {{USAF-bio-stub