Airman 1st Class Derek Kozorosky, U.S. Air Force, 22, stationed at Kadena Air Force Base, Okinawa, Japan, and a native of Ebensburg, died Feb. 11, 2011, at Camp Lester Naval Hospital. Born Feb. 1, 1989, in Greensburg, son of David A. and Lisa M. (Zeman) Kozorosky.