Jonathan E. Keranen, son of Hannah Keranen, Brainerd, was recently commissioned by his oldest sister, Mary Clement, who is a captain in the Air Force of 16 years, into the United States Air Force as second lieutenant. He will report to NAS Whiting Field in Pensacola, Fla., in February to being pilot training. He also graduated from NDSU in Fargo, N.D., with a bachelor of science degree in civil engineering.