The four Sikorsky H-19 ChickasawA helicopters were also deployed to K-16 to support the 2157th Air Rescue Squadron (in fact, they were co-located with the 2157th but actually supported B Flight, as did the two SA-16s). "34 CCRAK" maintained Operational Control (OPCON) of these forces and employed them into North Korea along with B Flight and Special Air Missions detachment aircraft. The wing's planes were painted solid black after their arrival at Clark AFB, and they flew long-range leaflet drop missions over North Korea. PSYWAR "leaflet bombs" were loaded with various forms of PSYWAR materiel and then airdropped from high altitude. An altitude-sensitive fuse opened the container at a predetermined set altitude, dependent on pre-mission forecast winds and desired dispersal patterns. One of the most sensational missions of the 581st in Korea occurred on 12 January 1953, when a 581st B-29 (tail number 44-62217, call sign "Stardust Four Zero") on its first leaflet drop mission with the Wing Commander, Col. John Arnold (as well as the commander of the 91st Strategic Reconnaissance Wing, Major William (Bill) Baumer) on board, was shot down on their last leaflet target just south of the Yalu River in far northern Korea near the Chinese town of Antung. At the time, Russian fighter squadrons, some equipped for night flying, were supporting and supplying the Chinese with airpower. Twelve Russian MiG-15s from the 351st (and perhaps the 535th) Fighter Air Regiments intercepted the lone Superfortress south of the Yalu River, about 15 miles from the Chinese border. The MiGs were scrambled and vectored to the bomber's location by Russian radar-controlled searchlight units stationed near Antung, China. The searchlights illuminated the unarmed Superfortress and several MiGs engaged the bomber. Russian MiG pilot Senior Lt. Khabiev of the 351st regiment was credited with the intercept and downing of the B-29. Although US sources believe the B-29 was flying in North Korean airspace at the time of its mayday call, a belief that is strongly disputed by the Chinese and Russian authorities, crew members who bailed out believe they landed in North Korean territory. Upon capture, the crew was rounded up, blindfolded and put aboard trucks, subsequently transported into China and later charged as CIA spies (the Chinese subsequently learned of the CIA connection with the air resupply units).