noun
satchel charge
Military/technical term for a portable explosive charge, typically used for demolition or breaching.
工兵が敵の陣地に梱包爆薬を仕掛けた。
The combat engineers planted a satchel charge on the enemy position.
Compound of 梱包 (こんぽう, 'packing, wrapping') and 爆薬 (ばくやく, 'explosive, blasting powder'), literally 'packed explosive'.