NCIS: Los Angeles 10×24 Promo “False Flag” Season 10 Episode 24 Promo Season Finale

NCIS: Los Angeles 10×24 “False Flag” Season 10 Episode 24 Promo (Season Finale) – Callen and Sam work with Navy Captain Harmon “Harm” Rabb, Jr. (David James Elliott) to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend, Navy Lieutenant Colonel Sarah “Mac” Mackenzie (Catherine Bell), to help obtain information from a Russian diplomat, on the 10th season finale of NCIS: LOS ANGELES, Sunday, May 19th on CBS.