Re-printed! Lockheed EC-121 Warning Star Part 2: Our second EC-121 sheet provides four more options, two from USAF and two from US Navy. Based on the sleek and very successful Lockheed Super Constellation airliner, EC-121 was the backbone of the USAF early warning/electronic warfare fleet during a critical period of the Cold War. Our new two-set series of EC-121 decals provide brand-new marking options for the Heller EC-121 kit. Our second EC-121 sheet features the following aircraft: EC-121R 67-21498, USAF 553rd Recon Wing (camouflaged "Batcat"), 1970 EC-121D 53-0536, USAF 551st AEW, 1968 WV-2 BuNo 141325, U.S. Navy VW-13, 1962 WV-2 BuNo 131388 "Planner One", U.S. Navy NADU, 1961