NCIS: Los Angeles (2009)

S12E1 The Bear

Title: The Bear Plot: After a Russian bomber disappears while traversing U.S. airspace, Callen and Sam are tasked with locating it in the desert to prevent the onboard crew from obliterating the aircraft along with its sensitive weapons and intelligence. In a parallel storyline, Hetty assigns Nell a mysterious mission that leaves her questioning its true purpose.