DoD police jobs focus on securing areas used, operated, or protected by the Department of Defense. This includes many government facilities. These jobs involve a combination of security guard and private investigator tasks and may require experience with different aspects of criminology depending on the needs of the facility you're protecting. Most DoD police officers are civilian contractors instead of military personnel because the DoD prefers to keep military police free for other deployment needs. As such, DoD police jobs are almost always domestic, though you may occasionally be asked to provide short-term security for people or packages as they travel overseas.