From a United States Army training film describing techniques of the chemical warfare service. United States troops advance behind successive smokescreens made with phosphorous hand grenades. An explosion with smoke rising in the surrounding area.
A United States Army training film about chemical warfare. United States soldiers light toxic candles (yielding only smoke in this training operation). Smoke rises from the candles and spreads in the surrounding area. U.S. troops wear gas masks. A soldier lights the toxic candles placed in a line on the ground.
A United States Army training film about chemical warfare. United States soldiers fire artillery with 75mm shells to achieve a smokescreen. Explosions on the ground with smoke surrounding the area. The soldiers load and fire artillery.
A United States Army training film about chemical warfare and the Chemical Warfare Service. United States soldiers install Livens gas projectors (delivering smoke) directed towards mock enemy in trenches. Explosions on the ground with smoke spreading in the surrounding area.
A United States Army training film about the chemical warfare service. United States Navy battleship USS Tennessee (BB-43) serves as training target for U.S. aircraft dropping smoke bombs onto the USS Tennessee. Explosions around the battleship. Smoke rises all around the ship.
A United States Army training film about chemical warfare. A smoke curtain is laid by aircraft in front of the USS Tennessee (BB-43). The half mile curtain is hanged in front of the ship in 18 seconds. Aircraft is seen flying over the battleship leaving a trail of smoke. Smoke completely blocks the ship.