HACKNEY, Duane D., USAF, aboard Sikorsky HH-3 Jolly Green Giant Published on February 1, 2013 in 6 February 1967Full resolution (200 × 300) ← Previous Next → Airman 2nd Class Duane D. Hackney, USAF, with jungle penetrator, aboard a Sikorsky HH-3E Jolly Green Giant, Southeast Asia, 1967 (U.S. Air Force)