Aboard Air Force One a Navy officer dies after eating with POTUS, then a Marine officer who is connected with AF1 also dies in the same way while in Georgetown. Abby identifies the cause, but does Gibbs have time to save the president?
During a training jump, a Marine dies when his main chute fails to open and he fails to pull his reserve chute. Kate joins the NCIS team, and together they investigate the method of the murder to find the perpetrator.
A US Navy commander nicknamed "Seadog" washes up dead on a North Virginia beach. Two dead alleged drug dealers are found nearby. All three victims are shot. NCIS, joined by DEA and FBI, investigate.
A swimmer finds the weighted body of a seaman who has disappeared from a US Navy destroyer. The NCIS team investigates a petty officer connected with the victim, but a plot against the skipper is uncovered.
A hunter finds an aircraft cargo pod containing a mummified Navy disbursing officer who disappeared from his aircraft carrier, as did 1.2 million dollars. The NCIS team investigate to see if there are old injustices to be righted.
During a port visit by USS Enterprise, a chef finds a naked sailor inside a restaurant freezer in Spain. Later at sea, while NCIS investigates, another sailor freaks out on the flight deck. After that, one of the two mysteriously dies.
Workers find the decomposing body of a man, apparently a submariner, inside a drum of acid. The team treats the case as both murder and identity theft. Gibbs and Kate go aboard a sub at sea, hoping to find the killer and save the crew.
A naturalized petty officer of Egyptian descent dies in the US from massive bleeding due to an intestinal blockage caused by emeralds; he had just arrived from Camp Delta at Gitmo. To prevent another murder, the team investigates at Gitmo.
Two Marine majors supposedly die during a classified operation in an undisclosed foreign country; one of them purports to call home. The team investigates.
