sentences:  He served in this capacity during the atomic bomb attacks on Hiroshima and Nagasaki.During Operation Crossroads, the 1946 atomic bomb tests at Bikini Atoll, Power was assigned as assistant deputy task force commander for air on Admiral William H. P. Blandy's staff.Then came assignments as deputy assistant chief of air staff for operations in Washington and a period of air attaché duty in London, prior to his transfer to the Strategic Air Command as vice commander in 1948.