The 2005 Base Realignment and Closure Commission called for the combination of the two installations.

The wing maintains $12.4 Billion in infrastructure encompassing more than 73,000 acres, and more than 1,500 vehicles.

[1] The 673d Wing comprises the 673d Comptroller Squadron,[5] and four groups: With their assigned squadrons, the groups assist the wing with operation and maintenance of the joint base for "air sovereignty, combat training, force staging, and throughput operations in support of worldwide contingencies.

Although the wing was newly established, many of its components traced their histories to earlier organizations.

[1] The 673d Mission Support Group had previously been designated the 5073d Air Base Group and had served at the then-Shemya Air Force Base on Shemya Island from 15 October 1974 – 27 January 1992.