NSA analyst Eleanor "Ellie" Bishop will join the NCIS team on Tuesday, and through the episode preview it's clear she's determined to help the team with a "high level security breach," which she predicted.

The breach of security involves the Secretary of the Navy, who was wired during a past confidential briefing. Bishop, who described the security breach in a threat analysis report two years prior, will work with the team to find out who the person responsible for the crime is.

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"I dream of threats that haven't happened yet," Bishop says upon meeting Leroy Jethro Gibbs and Tony DiNozzo.

Bishop, who is played by Emily Wickersham, also displays a different method of getting her work done, one that Gibbs and DiNozzo aren't familiar with.

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"Don't let the chaos fool you, this is how I work," she tells them. "You got any food around here?"

In another scene, Gibbs gives Bishop her NCIS uniform and says, "You're going to need this."

"I work hard and I want to make a difference," Bishop is also heard saying.

The episode, titled "Gut Check," airs on Tuesday at 8 p.m. on CBS.