Staging through Hsinching from its base at Chakulia, India, on June 15 the group participated in the first American Air Force attack on the Japanese Home Islands since the Doolittle raid in 1942.

Operating from bases in India, and at times staging through fields in China, the group struck such targets as transportation centers, naval installations, iron works, and aircraft plants in Burma, Thailand, China, Japan, Indonesia, and Formosa, receiving a Distinguished Unit Citation for bombing iron and steel works at Yawata, Japan, on August 20, 1944.

The Tenth Air Force 24th Combat Mapping Squadron established a detachment at the airfield in March 1944 to photograph bombing targets both before and after XX Bomber Command missions.

"C" flight operations were so arranged as to provide weather recon of the North China sectors several days prior to the first B-29 raid in each of the series of missions run by the XX Bomber Command from the Chengtu area.

Our aircraft provided a route weather coverage within a 700-statute-mile (1,100 km) radius of action, with particular attention given to icing conditions, cloud levels, and turbulence and winds, together with a visual check of the predetermined rendezvous area.