Final answer:
Combat injury is the term used to describe an injury incurred by a service member while on active duty.
Step-by-step explanation:
The injury incurred by a service member while on active duty is called a combat injury. Combat injuries can include physical wounds, such as gunshot or shrapnel wounds, as well as injuries caused by explosions, falls, or accidents.
These injuries are typically sustained during military operations or training exercises, and they can range from minor injuries to life-threatening conditions.