Honor Code - S3-E7
Other mistake: At the end of the episode Gibbs has a flashback where his daughter is helping with a boat. She is in an NCIS shirt, but Gibbs had no association with NCIS while she was alive.

Starring: David McCallum, Lauren Holly, Mark Harmon, Michael Weatherly, Pauley Perrette
Honor Code - S3-E7
Other mistake: At the end of the episode Gibbs has a flashback where his daughter is helping with a boat. She is in an NCIS shirt, but Gibbs had no association with NCIS while she was alive.
Yankee White - S1-E1
Factual error: Air Force One landed in Wichita, Kansas. The local coroner claimed Jurisdiction for Wichita County. The city of Wichita, Kansas is in Sedgwick County, in southern Kansas. Wichita County, Kansas is in western Kansas, about 250 miles from the city of Wichita. (00:05:40)
See No Evil - S2-E1
[Gibbs is drinking a cup of coffee.]
Kate Todd: Gibbs, it's like one hundred degrees in here. How can you drink that stuff?
Leroy Gibbs: It keeps me cool.
Agent Afloat - S6-E2
Trivia: Season 6, "Agent Afloat": Maybe real aircraft carriers posing as fictional ones shouldn't let viewers see their registration numbers. When this episode aired, producers heard from several "carrier purists" complaining that CVN74 is the U.S.S. John C. Stennis, not the (non-existent) Seahawk.
Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79