Initially equipped with Martin B-10s, later Douglas B-18 Bolos, receiving early model Boeing B-17C Flying Fortresses before the end of the year.

Withdrawn to Australia, it fought in the Dutch East Indies campaign before returning to the United States and being re-equipped with Boeing B-29 Superfortress bombers.

It returned to the Pacific Theater of Operations in early 1945 to carry out strategic bombing missions over the Japanese Home Islands.

The survivors at Del Monte engaged in combat from secondary airfields against the invading Japanese forces until the situation in the Philippines became untenable and they were withdrawn to Australia.

On 7 August 1942, Captain Harl Pease led an all-volunteer crew from the 93d in a B-17 with a makeshift, hand-pumped fuel system on a mission over Rabaul, New Britain.

When training was completed moved to North Field (Guam) in the Mariana Islands of the Central Pacific Area in January 1945 and assigned to XXI Bomber Command, Twentieth Air Force.

The squadron continued to participate in wide area firebombing attack, but the first ten-day blitz resulting in the Army Air Forces running out of incendiary bombs.

The squadron 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.

Flew strategic bombing missions over North Korea; targets included an oil refinery and port facilities at Wonsan, a railroad bridge at Pyongyang, and Yonpo Airfield.

It also continued to attack bridges, marshalling yards, supply centers, artillery and troop positions, barracks, port facilities, and airfields.

In September 2001 deployed in support of Operation Enduring Freedom where it flew 88 combat missions before redeploying to Barksdale Air Force Base in January 2002.

From January–March 2005 the squadron deployed to Anderson Air Force Base, Guam as part of an ongoing bomber rotation to demonstrate the U.S. commitment to the Asian-Pacific region by the U.S. Pacific Command.

[4] Although the 93rd BS will no longer be an operational squadron once the FTU stands up, a small classic association comprised four crews will maintain combat proficiency with the 2nd BW.