Maj. Gen. Mark Weatherington, the 8th Air Force and Joint-Global Strike Operations Center commander, reviews locally manufactured B-1B Lancer parts during his visit to Ellsworth Air Force Base, S.D., May 4, 2021. Ellsworth houses a Metals Technology shop and additive manufacturing facility which develops replacement components that maintain and sustain the B-1 and other Air Force and DoD aircraft. (U.S. Air Force photo by Senior Airman Michael P. Ward)