Ability to act or produce an effect.
John Vincent Power, born in Worcester, Mass., enlisted in the Marine Corps Reserve 7 July 1942 and was commissioned 2nd Lieutenant 31 October 1942. Promoted to 1st Lieutenant in January 1944, he was killed during the fight for Namur Island, Kwajalein Atoll, Marshall Islands, 1 February 1944. He was posthumously awarded the Medal of Honor for conspicuous gallantry and intrepidity above and beyond the call of duty.
The first Power was named for the word; the second for Lt. John Vincent Power.
Power (AMc-96) was renamed Reaper (q.v.) 10 September 1944.