SADM – Special Atomic Demolitions Munitions
SADM – Special Atomic Demolition Munitions – Mark Bentley interview
Special Forces SADM – brief article linking to much longer piece (archived) which has lots more useful info and plot hooks.
567th Engineer Company ADM units
Davy Crockett nuclear projectile gun (light version range 2km, heavy version range 4km; officially removed from the European theatre in 1967 and officially retired globally in 1971)
Davy Crockett explosion clip (explosion at 3:55) alternative clip and another clip
Backpack nuke (Popular Mechanics)
Special Forces: Green Light Teams