The CSD Bomb Live Unit (BLU)-109/BR is a 2,000 lb
hardened penetration bomb. It penetrates concrete bunkers, buildings,
bridges, ships, and other hardened structures before exploding. The
warhead is capable of penetrating 2 METERS reinforced concrete.
The CSD BLU-109/BR
has a steel casing filled with TNT, TRITONAL, COMPOUND B or PBXN-109
compositions. It has a delayed-action tail-fuze. It is also used as the
warhead of electro-optically guided bombs, laser-guided bombs, and
rocket-boosted weapons.