Sept. 9, 2006 - Entertainer Bill Cosby shakes hands with Navy linebacker Rob Caldwell prior to the start of the U.S. Naval Academy football game against the University of Massachusetts. Cosby attended the game as part of his visit to the academy in support of the 30th anniversary of women in Academy. Cosby served in the U.S. Navy from 1956 to 1961, trained as a hospital corpsman and worked mostly with veterans of the Korean War.