Can the ‘NCIS: LA’ Team Stop a Potential Outbreak? (PHOTOS)

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Yellow Jack
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Yellow Jack
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Callen (Chris O’Donnell)

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Wesam Keesh returns as Ehsan Navid.

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Who’s in the photos?

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Sam (LL Cool J), Navid, and Callen

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Uh oh, this doesn’t look good.

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Deeks (Eric Christian Olsen) and Kensi (Daniela Ruah), with United States Army Medical Research Institute of Infectious Diseases’ Colonel Sandra Kaufman (Lesley Fera)

Yellow Jack - Daniela Ruah (Special Agent Kensi Blye) and Lesley Fera (USAMRIID Colonel Sandra Kaufman)
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Kensi and Kaufman

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Bill Inoshita/CBS

What have they found?

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Bill Inoshita/CBS

Will they need their guns?

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Time to get those suits off?

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Kensi and Deeks

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The calm before the storm

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Who killed the petty officer?

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Deeks

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NCIS: Los Angeles is traveling back to the USS Allegiance this season, but don’t expect to see JAG‘s Harm (David James Elliott) again.

Sam (LL Cool J) and Callen (Chris O’Donnell) will be joined by a familiar face while they’re on board: Ehsan Navid (Wesam Keesh), whom the team first met on a case in Season 5’s “Allegiance.” And he’s since joined NCIS!

But it’s not an entirely happy reunion in “Yellow Jack,” given that while the agents are aboard the ship, it’s placed under quarantine for a possible Ebola exposure. Back on dry land, Kensi (Daniela Ruah) and Deeks (Eric Christian Olsen) investigate the murder of a petty offer who recently left the USS Allegiance and is linked to the Ebola exposure.

Click through the gallery above to see who wears the Hazmat suit the best and a look at the team’s investigation.

NCIS: Los Angeles, Sundays, 9/8c, CBS