Canadian Brig. Gen. Alain Pelletier (center), deputy commander Continental U.S. North American Aerospace Defense Region-First Air Force (CONR-1AF), presides over the Canadian Detachment Joint Base Lewis-McChord change of command.  Lt. Col. Matthew Wappler (left) assumes command from the outgoing commander, Lt. Col. Mark Roberts (right), during the ceremonial signing of the change of command scrolls.   The ceremony took place July 8 at the Western Air Defense Sector, Joint Base Lewis-McChord, Wash.
<br>Unit: Western Air Defense Sector
Capt. Kimberly Burke
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