NCIS

An NROTC midshipman stumbles over the body of another middy on the campus of their university, bringing in the NCIS to investigate.

A corpsman stows his gear in a self-store room; after 10 months he dies in action in Iraq; then the skeletal remains of a high-school friend turn up in his storeroom.

A Navy Intelligence Commander responsible for tracking the movements of a visiting foreign diplomat disappears, leaving the team to wonder if the politician is now in danger.