Reenlistment (noun)

1. The act of enlisting in the military again after a period of being out of service.
2. The state of being enlisted again after a period of being discharged.

Origin:

From re- "again" + enlistment.

Examples:

1. The reenlistment rate in the military has been steadily declining.
2. The company's reenlistment policy was designed to retain experienced personnel.
3. The veteran's reenlistment was a surprise to his family and friends.
4. The soldier's reenlistment was motivated by a desire to continue serving his country.
5. The reenlistment bonuses offered by the military were a major incentive for many soldiers.