This is usually handled by a single troop bearing 400 rounds of ammo, with additional ammo distributed throughout squad. The trooper assigned this duty carries 30 propelled grenades in a special satchel. Hand thrown grenades are also present and standard issue. However additional grenades are often carried. They prove invaluable in establishing a perimeter or in providing addition firepower from a fixed position.
Plasma packs are explosive charges.
Every squad carries two or three of these devices. They can be set to detonate by timer or by remote control. It is more often used as a tool than as a weapon. However, its use is still taught in training camp. The knife handle is hollow and removing the pommel cap reveals stowage.