tour of duty

It was a very interesting nine-month tour of duty in military service, tactical training, and of course the medical aspect of evaluating injuries, administering morphine, splinting and stopping bleeding.

He decided to stay with his unit until the end of his tour of duty in May.

This isn’t Cant’s first tour of duty, though.

After months patrolling the waters close to the Persian Gulf, the tens of thousands of troops on board the USS Bataan were about to finish their tour of duty.

Army Reserve service that would cut his European tour of duty short.