Tommy Joined the Military When He Was 18 Years Old

Tommy joined the military when he was 18 years old. After serving his first enlistment contract, he re-enlisted with plans on making a career out of it. While overseas on deployment, Tommy steals some merchandise from the local town store.

A) It is a federal offense to use military forces to execute the law without specific congressional authorization based on what principle?
B) Martial law
C) Habeas corpus
D) Posse comitatus
E) Jurisdictional prerogatives