Ducky confirms that the victim died from strangulation and Palmer add that to be exact she died from "asphyxiation due to hypoxia". But what that means is "oxygen deprivation due to low oxygen", which is redundant and the wrong way round. What he should have said was "asphyxiation due to strangulation."
The photo of Petty Officer 2nd Class Maya Kettering in her dress blues shows her enlisted rank on her sleeve, but she is wearing an officer's cover with an officer's cap device and gold chin strap.
When checking the airport footage McGee and Bishop note that Mike Kettering took a flight out of Terminal 6 in San Francisco. SFO only has 4 terminals, and only 3 are used for domestic flights.
When Gibbs arrives at the house to arrest the murderer and is about to enter the home you can see reflected in the door glass the camera man and also microphone.
When questioning Darlene, Bishop asks where she was two days ago in order to see if she has an alibi for the murder. But Bishop doesn't ask where she was at a specific time two days ago.