DOBYNS, Russell M., Captain, USAF, with Piasecki YH-21 FAI records 2, 4 September 1953 Published on August 29, 2013 in 2 September 1953Full resolution (633 × 790) ← Previous Next → Captain Russell M. Dobyns, United States Air Force, with his YH-21 Workhorse. (FAI)