S/Sgt. Billy McCrary,21, a member of the Fifteenth A.A.F in Italy, took part in the first American shuttle mission to Russia. Young McCrary is a waist-gunner on an A.A.F. B-17 flying fortress. Sergeant McCrary has completed 40 combat missions and has been awarded the Air Medl. He is the son of Mr. and Mrs. Jack McCrary, Marceline.