flame thrower / flame throwers at objects / troopers attack objects / note: exact day not known - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:12
mortars / soldier loading mortars / soldier pushes plunger on detonator / explosion in distance / note: exact day not known - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:14第二次世界大戰
troops marching along road / plane passes over troops' heads / troops along road, officer halts them and requests that they don gas masks / plane... - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:39
"chemical warfare" over black then superimposed over explosion / sunrise with plane flying in sky / tail of plane with exhaust pipe spewing out smoke... - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:55飛機, 爆炸, 早晨
army air corps plane sprays smoke as it flies past / thick smoke covers ground, wafts around / another plane flies through and above smoke - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:18
rear shot students throw hand grenades in unison after "fire" command / students stand in a row, don gas masks / gas-masked students run into... - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:25
detonator as army soldier pushes plunger / vs explosions in field with white smoke billowing in clouds / army personnel load field guns and turn away... - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:53爆炸
"army teaches men war uses of chemicals" / line of soldiers wearing gas masks fire cylinders of chemicals, with white clouds emitting from the... - 埃奇伍德 馬里蘭州 個影片檔及 b 捲影像00:43