Looking at my sources I found listed in the WWII U.S. Army Enlistment Records a Leonard H. Rogers b. 1923 living in Essex County, MA (Massachusetts) enlisted in Boston MA June 29, 1942. -Newsburyport is a city in Essex County-
Massachusetts Death Index has a Leonard H. Rogers b. June 28, 1923 died Oct. 3, 1993 in Newsburyport, Essex County.
If you want to find relatives or people who knew him you might try posting to the Essex County, Massachuesetts (MA) message board and the Rogers surname message board. There are also free genealogy message boards at www.rootsweb.com