MIL-STD-1811 (NOTICE 1), MILITARY STANDARD: MASS PROPERTIES CONTROL FOR SPACE VEHICLES (2 APR 1992) [SUPERSEDED BY MIL-HDBK-1811]., This change notice incorporates the correct data item description reference numbers (DI-GDRQ-811XX changed toDI-GDRQ-812XX). THE FOLLOWING PAGES OF MIL-STD-1811 (USAF)HAVE BEEN REVISED AND SUPERSEDE THE PAGES LISTED: