MIL-STD-370A, MILITARY STANDARD: VISUAL ACCEPTANCE CRITERIA FOR INSPECTION OF ALUMINUM ALLOY WELDS (21 SEP 1993) [S/S BY AWS D1.2. AND TACOM DRAWING 12472301]., This standard provides visual acceptance criteria for fusion welding of aluminum alloys made by any of the following processes: Gas Tungsten Arc Welding (GTAW), Gas Metal Arc Welding (GMAW), Electron Beam Welding (EBW), Plasma Arc Welding (PAW), and Shielded Arc Welding (SMAW).