When training was completed the 314th moved to Guam in the Mariana Islands of the Central Pacific Area in January 1945 The 314th was the fourth B-29 wing assigned to XXI Bomber Command, Twentieth Air Force.

Its groups flew "shakedown" missions against Japanese targets on Moen Island, Truk, and other points in the Carolines and Marianas.

The Division continued attacking urban areas until the end of the war in August 1945; its subordinate units conducted raids against strategic objectives, bombing aircraft factories; chemical plants; oil refineries; and other targets in Japan.

The 330th Bomb Group was relieved from assignment on 21 November, its personnel and equipment returning to the United States; the 39th in December.

"The division maintained assigned and attached forces at a high degree of combat readiness during the Cold War.

Groups Squadrons This article incorporates public domain material from the Air Force Historical Research Agency