found: Sixty second delay. [MP] 1968.
found: His USCG--always ready, 1987:CIP t.p. (Hans Halberstadt) data sheet (b. 2/29/44)
found: The American train depot & roundhouse, 1995:CIP t.p. (Hans H. Halberstadt) data sheet (b. 2-29-44)
found: Information from 678 converted Dec. 17, 2014(co-producer of motion picture)
found: War stories of the green berets, c1994, c2004:title page (Hans Halberstadt) front flap (studied documentary film in college; authored and co-authored more than fifty books; most of his books have been on military subjects, U.S. special operartions forces, armor, and artillery; also written about farming and railroads; served in the U.S. Army as a helicopter door gunner in Vietnam; lives in San Jose, California)