These Atlases should be not be confused with the Atlas H which flew five times during the 1980s .
Was a standard Atlas SLV - 3 ( descendant of the original Atlas D ) flown with solid upper stages .
These Atlases should be not be confused with the Atlas H which flew five times during the 1980s and was a standard Atlas SLV - 3 ( descendant of the original Atlas D ) flown with solid upper stages .