MIL-W-3947B (NOTICE 2), MILITARY SPECIFICATION: WEIGHT AND BALANCE CONTROL SYSTEM FOR GUIDED MISSILES AND SPACE LAUNCH VEHICLES (27 NOV 1997) [S/S BY SAWR-RP9]., MIL-W-3947B and Notice 1 are inactive for new design. Refer to the Department of Defense,Adopted, Society of Allied Weight Engineers (SAWE). Recommended Practice No. 9, "Weightand Balance Control System for Guided Missiles and Space Launch Vehicles," for new design.