Obertanec replaces Collier as state command chief
Outgoing New Hampshire Air National Guard State Command Chief Master Sgt. Matthew Collier salutes Maj. Gen. William N. Reddel III, N.H. National Guard adjutant general, during a change of authority ceremony at Pease Air National Guard Base, N.H., Aug. 9, 2015. During the ceremony Collier relinquished authority to N.H. Command Chief Master Sgt. David Obertanec. (U.S. Air National Guard photo by Staff Sgt. Curtis J. Lenz)