The BEX-11 (MK76) and BDU-33 Practice Bombs simulate launching conditions of the General Purpose Bombs, usually in terms of their ballistics trajectory, and were developed for pilots’ training.

The BEX-11 Practice Bomb is used to simulate the dropping of MK Bombs and carries a pyrotechnic cartridge that produces a column of white smoke at the ground impact point.

The BDU-33 has a pyrotechnic cartridge to indicate the ground impact point with a red flash and white.