MIL-STD-21A, MILITARY STANDARD: WELDED-JOINT DESIGNS, ARMORED-TANK TYPE (26 NOV 1968) [S/S BY MIL-HDBK-21]
MIL-STD-21A, MILITARY STANDARD: WELDED-JOINT DESIGNS, ARMORED-TANK TYPE (26 NOV 1968) [S/S BY MIL-HDBK-21]., This standard covers the design of joints for structures when one or more of the materials being joined is armor.