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) In this case, jurisdiction rests with:
B) the US military only.
C) the host country only.
D) either the US military or the host country.
E) neither the US military nor the host country.