The carrying case for the W54 Special Atomic Demolition Munition (SADM). The SADM had a yield of 0.01, or 0.02-1 kiloton (with a "Hi-Lo" yield selector switch), and was operationally deployed between 1964 and 1988. The entire unit weighed less than 163 pounds (74 kilograms).

• Immediate source: Brookings Institution , courtesy Natural Resources Defense Council
• Ultimate source: Department of Defense photograph

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