MK45 Mod 1 and Mod 2 rounds are divided into how many components?

• A. One component
• B. Three components
• C. Two components
• D. Four components

Answer: (C)

Two components. The MK45 Mod 1 and Mod 2 rounds are built as a projectile plus a separate propellant charge. The projectile contains the payload and the fuze, while the propellant charge provides the energy to launch the round. This separation lets you adjust range by changing the charge and keeps energetic material separate from the projectile for safer storage and handling. A one-component design would fuse the payload and propellant into a single piece, which isn’t how these rounds are configured, and adding more than two components would imply additional subassemblies not used in standard MK45 ammunition.