MIL-HDBK-340A, MILITARY HANDBOOK: TEST REQUIREMENTS FOR LAUNCH, UPPER-STAGE, AND SPACE VEHICLES (VOL I: BASELINES) (01 APR 1999)., This handbook provides guidance for establishing uniform procedures for the control, determination, and documentation of product verification test requirements for launch, upper-stage, and space vehicles. 1.1 Purpose. Volume I of this handbook establishes environmental and structural ground test baselines for high priority launch vehicles, upper-stage vehicles, space vehicles, and for their sub-system and units. In addition, a uniform set of definitions of related terms is established. Volume II of this handbook addresses the tailoring of the testing baselines to meet the requirements of individual programs