The military offers a variety of unexpected and unusual jobs that extend beyond traditional combat and support roles. These roles include Boat Marines, Boat Soldiers, Ground Sensor Marines, Marine Corps Community Service Marines, Entomologists, Army Marketers (FA58), and Special Operations Weather Technicians and Combat Weathermen. Each of these positions plays a unique and often crucial role in military operations, highlighting the diversity and complexity of military job functions.

Key Points: 

1. Boat Marines and Soldiers: These roles involve Marines and Soldiers operating various types of boats, a task usually associated with the Navy. They include roles like River Assault Craft Crewman and Combat Rubber Reconnaissance Craft Coxswain for Marines, and Watercraft Operators for Army personnel.
2. Ground Sensor Marines: This small, specialized group uses ground sensors to monitor enemy movement, combining skills in reconnaissance, intelligence, fieldcraft, and technology.
3. Marine Corps Community Service Marines (MCCS Marines): These Marines manage on-base facilities like commissaries and exchanges, performing roles that are more commonly seen in civilian life.
4. Entomologists in the Military: These officers in the Army, Navy, and Air Force study insects to help protect troops from disease and discomfort caused by bugs in various deployment environments.
5. Special Operations Weather Technicians and Combat Weathermen: These Air Force personnel gather critical weather data in enemy territory, aiding in the planning and execution of military operations.

Source: https://www.sandboxx.us/news/7-weird-and-rare-military-jobs-that-you-wont-believe-exist/