Americans test a new kind of high explosive.
Full title reads: "US Bomb Test."
United States of America (USA).
A man stands next to a bomb. He appear to be describing something he is holding a small device in his hand.
LS of men sheltering behind sandbags as a bomb is exploded on the ground in front of them. The man talks to two others after the test.
Man test fires a rifle.
CU of the device the man had been holding - someone inserts a detonator into it.
LS of large explosion. LS of another large explosion.
N.B. It appears that they are testing some new kind of high explosive. Not clear that this item belongs to this issue.