Dispersive subprojectiles for chaff cartridges

Dispersive subprojectiles for chaff cartridges

Disposable booster

Doppler distance measuring system

Double shot grenade launcher

Double-path detonation tube inertia igniter

Down-the-hole device for breaking rock, concrete and reinforced

Downhole delay assembly for blasting with series delay

Drill units for drilling and charge laying operations and method

Drilled-in filter for gas generating initiator

Drive cage sub-caliber projectile

Dual channel redundant fuze

Dual fiber laser initiator and optical telescope

Dual field-of-view optical target detector

Dual firing system for a perforating gun

Dual gate target detecting device (TDD)

Dual mode warhead

Dual output simultaneous firing circuit

Dual pressure sensing safing and arming mechanism

Dual purpose energy transfer cord