When a naval commander aboard Air Force One is discovered to have been poisoned to death, the Naval Criminal Investigative Service is sent in to investigate.

Gibbs' team is called in to investigate the death of a Marine who fell from the sky when his parachute failed to open during a training exercise.

A dead Navy commander is thought to have been a part of an ill-fated drug deal after his body washes up on the beach along with two dead drug smugglers.

The team investigates the death of a sailor who was found underwater wearing in his dress whites; Abby examines a connection to a fantasy role-playing game.

When a hunter discovers the mummified corpse of a Navy lieutenant who went missing ten years ago, the NCIS is brought in to determine who murdered the officer.

A mysterious number of sailors on board a ship are testing positive for methamphetamines, but contend that they've never taken any drugs.

The team believes there is a person on board a Navy sub impersonating the man he murdered after a body is uncovered on a naval base.

Gibbs and the team investigate a Navy officer who was employed as a translator at Guantanamo Bay, Cuba, and died with a cache of emeralds lodged in his stomach.

A widow receives a phone call from her supposedly deceased husband, prompting Gibbs to exhume the body to determine if the call was a prank or not.

After waking up in a shallow grave with amnesia, a woman discovers that the only thing she remembers is that a bomb has been planted on a navy vessel.

While spying on a nude sunbather, a CIA satellite specialist witnesses the murder of a Naval officer, and the team is called in to investigate.

After a severed leg with a Marine tattoo is found in a trash bin, Ducky and Abby try to identify the victim, and their investigation leads them to a small town.

Gibbs goes undercover as a recruitment officer for the Marine Corps to catch a sniper who has killed two other officers of the same position.

While investigating the murder of a Navy dentist with the help of a local sheriff, the team uncovers the existence of a potential serial killer.

Gibbs puts both his life and career on the line to help prove his former commander is innocent of embezzling $2 million from the government.