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After nearly two years as the 51st Fighter Wing commander, Col. Brook “Tank” Leonard, bids farewell to Team Osan. He will relinquish command to Col. Andrew Hansen, 35th Fighter Wing, vice commander from Misawa AB, Japan, in the wing change of command ceremony June 16. Leonard will be heading to the Pentagon to be the senior military assistant the Secretary of the Air Force, Deborah James. (official bio photo)