From the Nationwide Gravesite Locator of the Veterans Administration (
http://www.cem.va.gov/):
David Franklin McCallister
LT COL 142 TACTICAL FIGHTER SQ DEL AIR NG NEWCASTLE DELAWAR
DATE OF BIRTH: 02/22/1920
DATE OF DEATH: 06/04/1961
BURIED AT: SECTION 30 SITE 2131
ARLINGTON NATIONAL CEMETERY
This is a good place to check on American servicemen, going back at least to the Civil War. The main restriction is that the gravesite has to be in a National Cemetery; if buried elsewhere he/she will not be listed. A while back there was also an indication that one or two of the National Cemeteries had not been entered into their database.
From the home page given above, click on "Nationwide Gravesite Locator" on the left, and fill in the blanks. I always leave off the middle name/initial, since that has never found anyone who is actually in the database.
Frank.