She is an important member of the 'diplomatic corps'.
The troops showed great 'esprit de corps'.
the Army 'Corps' of Engineers
(..) Singapore? Hong Kong? Well, no. Actually, I'm stationed up in the Gamma Quadrant of Sector Four. As a member of the elite Universe Protection Unit of the Space Ranger Corps, I protect the galaxy from the threat of invasion from the evil Emperor Zurg, sworn enemy of the Galactic Alliance. (..)1995 Toy Story
(..) to audition in New York City, for the School of American Ballet. Please stay. Thank you. Thank you. You can stay. I was relegated to the "corps". Another dancing gypsy. Benjamin, how is it when you showed up, you were no bigger than a bollard with one foot in the grave. (..)2008 The Curious Case of Benjamin Button
(..) It comes to me. Let east meet west. We'll build a golden bridge. (FRANK CHUCKLES) I felt like I'd just joined the corps of engineers! We all still here? It's a beautiful story. Do you always enjoy shocking people, Uncle Frank? Honey... (..)1992 Scent of a Woman