Fighter jets from the U.S. Navy Blue Angels fly in formation past St. John Cantius Church during practice for the Chicago Air and Water Show, as seen from Milwaukee Ave. and Chicago Ave., Thursday, August 16, 2012, in Chicago. | John J. Kim~Sun-Times
Updated: August 17, 2012 3:23PM
Fighter jets and aerobatic planes flew over Lake Michigan and downtown during rehearsal Thursday and Friday for the Chicago Air and Water Show. The show will take place above North Ave. Beach from 10 a.m. - 3 p.m. August 18 and 19.