The 404th Group deployed to Rwanda in January 2009 to provide airlift for peacekeeping equipment in support of the United Nations African Union Mission in Darfur.

In July 2009, the 404th Group deployed to Ghana to provide aerial port and aircraft maintenance teams, along with forward communications, early warning, and air domain safety and security elements for U.S. President Barack Obama's visit.

After the D-Day invasion, was reassigned to IX Tactical Air Command and directed to provide ground support for advancing United States First Army forces in France, attacking enemy targets initially in the Cotentin Peninsula, then supported Operation Cobra, the breakout of Normandy and attacked enemy forces in the Falaise-Argentan Gap.

In December 1944/January 1945, engaged enemy targets on the north side of the Battle of the Bulge, then moved eastward into the Northern Rhineland as part of the Western Allied invasion of Germany.

First Army halted its advance at the Elbe River in late April 1945, the wing engaging targets of opportunity in enemy-controlled areas until combat was ended on 5 May 1945.