Peter Cambor guest stars, reprising his role as Nate Getz. Now deep undercover it has the team questioning his loyalty.
When speaking to the truck driver in Midtown Callen identifies himself and tells the driver to abort the protocol and gives the driver the verification code Alpha, Charlie, Zulu. The driver radios in to the dispatcher and Is told to release the truck to Agent Callen. Now, the driver never told the dispatcher Callen' s name, but the dispatcher knew it anyway. Here's how, earlier it was stated that Sam and Callen consulted on the security protocol. The verification code Callen gave the driver was probably unique to Callen. Alpha-Agent, Charlie- Callen, and Zulu is another form of military time most commonly used by the Navy, thus designating Agent Callen NCIS.