No Japanese weapon should exist that does this.

He took confiscated Japanese weapons from well-equipped forces and distributed them as needed.

The Japanese weapons gave off no flash, and the jungle concealed the reverberation of their fire.

The Japanese weapon was one any sword collector would have given his eyeteeth for.

Could it grow to include Japanese nuclear weapons?

Only the superbly forged Japanese weapons could survive such power intact.

All they found were three dead Japanese and several weapons that had been ruined by exploding grenades.

This was a bigger, more capable weapon than the Japanese 50mm weapon.

Type 38 may refer to the following Japanese weapons:

Those are the first words I have ever heard about Japanese nuclear weapons.