Assertion: chinook helicopter | /r/HasProperty | assigned to alpha company
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text: Aviation Boatswain's Mate 3rd Class Michael Allen, a landing signal enlisted, launches an Army CH-47 Chinook helicopter assigned to Alpha Company Four, 160th Special Operations Aviation Regiment (SOAR) during deck landing qualifications aboard the amphibious assault ship USS Peleliu (LHA 5).Development of the Boeing Chinook began in 1956.