What are the four types of Decisive Action missions?

• A. Offense, Defense, Stability, DSCA
• B. Offense, Defense, Stability, Reconstitution
• C. Offensive, Defensive, Stability, DSCA
• D. Offense, Defense, Peacekeeping, DSCA

Answer: (A)

The key idea is that Decisive Action missions are planned as four broad types you can apply in different contexts: Offense, Defense, Stability operations, and DSCA (Defense Support of Civilian Authorities).

Offense focuses on taking the initiative and imposing your will on the adversary—seizing, destroying, or delaying enemy capabilities and pursuing favorable conditions to reach strategic objectives. Defense centers on protecting forces and critical resources, denying the enemy the opportunity to achieve their aims, and holding important terrain or populations when necessary. Stability operations aim to create a secure and functioning environment after or during conflict, including security, governance, rule of law, humanitarian aid, economic development, and local rebuilding to prevent a relapse into conflict. DSCA involves military support to civilian authorities—assistance during natural disasters, public health emergencies, large-scale civil disturbances, or other domestic crises where civilian agencies request help and the military provides essential capabilities.

The four together cover both combat and noncombat leads to success in crises, which is why this option is the best fit. Other terms like reconstitution or peacekeeping aren’t part of the standard four decisive action mission types in this framework; reconstitution describes rebuilding afterward, and peacekeeping is typically considered a governance or stability activity rather than a separate decisive-action type.