Continuity mistake: When Gibbs and McGee go to Captain Vetter's home, Gibbs holds up his ID with his left hand in the shot facing Vetter, but the ID is held up in his right hand in the next shot facing Gibbs. (00:17:45)
Continuity mistake: Gibbs puts his gun in his drawer on a blue folder then goes to talk to Fornell in the lift. When he comes back, he picks his gun up and the contents of the drawer and position of the gun have completely changed. (00:14:50 - 00:16:50)
Answer: I hadn't seen the backdoor pilots yet but while it wasn't explicitly stated, at least onscreen, I heard somewhere Vivian got either fired from NCIS due to jeopardizing a case, got resigned from the agency, or transferred to the FBI.
Raykvega423