Ganson were seen twice after Kate's escape at Los Angeles International Airport. They entered the elevator where Kate and Sawyer were traveling and Calhoun received a message about a code 341 on his two way radio. Shortly afterwards Calhoun was seen with a group of security officers and was shown what may have been a mug shot of Kate. He pointed in her direction and she escaped through a security door. ("LA X, Part 2")In 2004, TSA security officer Calhoun and his colleague
- Not credited, the name was heard in dialogue from Ganson's walkie-talkie.
- TSA stands for Transportation Security Administration.
- The name could be a throwaway reference to Barney Calhoun, a character in Half Life: Blue Shift and Half Life 2, who also is an internal security guard. The Half Life series have a history of referencing Lost.