Visible crew/equipment: In one of the first episodes (2nd or 3rd) of Season 1, in an interrogation room scene, the camera pans around the table, and a crew member is visible in the far wall mirror, standing beside the camera in front of Gibbs.
Yankee White - S1-E1
Continuity mistake: When the Sergeant collapses on the plane at the start he foams at the mouth. When the camera pans down the plane the foam has gone. (00:02:05)
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)
Yankee White - S1-E1
Visible crew/equipment: When Kate is standing over the commander just before they take off, a red tape marker is visible between her feet. (00:09:45)
Yankee White - S1-E1
Continuity mistake: Just after Gibbs lies down on the slab, we see a shot of Ducky smirking. In this shot, we see Gibbs in the background turn on to his side. Camera changes to Gibbs and he is on his back and then turns onto his side. (00:24:00)
Yankee White - S1-E1
Visible crew/equipment: When Ducky tells Gibbs to go home and get some sleep, Gibbs walks over to the side and grabs some paper towels. When he does, the camera crew is reflected in the fridges opposite. (00:24:00)
Yankee White - S1-E1
Character mistake: The uniform/costume that Major Tim Kerry, a Marine Military Aide to the President, is wearing, includes a Service Aiguillette made of 4 loops of round gold wire and scarlet cord. This aiguillette is worn by a Marine serving as an Aide or in other positions for a 4 Star General. A military aide to the President would wear 4 loops, all gold (as seen being worn by Commander Ray Trapp). (00:29:00)
Yankee White - S1-E1
Continuity mistake: When Caitlin leaves the Cafe, Tim holds the car door open for her and she gets in. He then closes the door and leans on it. Camera cuts to a different angle and now he is stood up straight and slightly back from the car, with no time to do so. (00:29:05)
Yankee White - S1-E1
Visible crew/equipment: When Gibbs is talking to Kate about the "Harrison Ford movie" noting the terrorists were reporters, just as Gibbs mentions the Secret Service turncoat, the white T-mark is visible on the floor. (00:33:25)
Yankee White - S1-E1
Continuity mistake: Agent Todd is standing there coat open, hands in her pockets on Air Force One watching Gibbs walk away when the bad guy who is a reporter (Leonard) comes up to her and comments "Loosening your dress code Kate". Seconds later when she turns to indicate that he should return to the press section her coat is now buttoned up. (00:33:50)
Yankee White - S1-E1
Deliberate mistake: After the bad guy obtains a weapon from the armory on Air Force One, he pushes the door shut. It is heard to latch correctly, but a few seconds later when Special Agent Gibbs comes, the door is now seen to be slightly ajar. (00:38:55)
Yankee White - S1-E1
Deliberate mistake: Fornell doesn't recognize Gibbs, but subsequent episodes establish they have a long history together.
Continuity mistake: When interviewing the girl at the crime scene, the blood splatter on her face keeps changes instantly. (00:03:30)
Continuity mistake: When Ducky is pointing at the hairline fracture on the x-ray, he stops pointing. Camera changes angle and he is pointing again. (00:11:20)
Visible crew/equipment: After Abby tells Tony that he's "like a piercing, it takes awhile for the throbbing to stop..." as Gibbs asks her about the theory, the reflection of a crew member wearing a white short-sleeve shirt is visible on the glass. (00:19:40)
Visible crew/equipment: While Gibbs and Caitlin are alone with Lt. Roberts trying to gain access to the Armed Forces Registry, just as Roberts acknowledges the critical 48 hours, the reflection of a crew member (presumably camera operator) is visible in the mirror, on the right side of the screen. (00:22:20)
Continuity mistake: When DiNozzo is reading the ingredients of the brass stripper, he has 2 hands on the tin in one shot and just 1 hand in the next. (00:29:00)
Continuity mistake: At the end the little boy tells Gibbs the password he has chosen for his tree house. As he does, Gibbs is working on the railing at the opposite end to the ladder. Gibbs says it's a good password and to come up. However he is now at the end of the railing by the ladder. (00:39:50)
Continuity mistake: At the very end we see Gibbs working on the treehouse. As the little boy climbs the ladder, Gibbs is working on a railing. Camera changes and now he is stepped back from the railing. (00:42:00)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.