Grantham Coleman

In the hopes of sparing a family further tragedy, the Secretary of the Navy calls on NCIS to help a sailor battling leukaemia locate a bone marrow transplant after his two Marine siblings are killed in the line of duty.

Sam embarks on a high-risk undercover operation to take down an elusive drug lord. Callen and Anna are ordered to escort a prisoner.

When Jerrod gets into a fight with a soldier in front of Joe and Bobby, Joe's desire to make it up to the soldier causes problems that test the limits of what it means to truly support the troops.