MIL-STD-1946A (NOTICE 4), MILITARY STANDARD: WELDING OF ALUMINUM ALLOY ARMOR (07 OCT 2004) [S/S BY TACOM DRAWING 12472301]., MIL-STD-1946A (MR), dated 7 June 1989, previously was canceled without replacement. Future acquisitions may now refer to TACOM Drawing 12472301, 揋round Combat Vehicle Welding Code ?Aluminum? but users are cautioned to evaluate this document for their particular application before citing it as a replacement document. Copies of this document are available from U.S. Army Tank-Automotive & Armaments Command, 6501 E. 11 Mile Road, Attn: AMSTA-TR-E/ESA, MS 267, Warren, MI 48397-5000