Semper Fi was a proposed network series conceived by Steven Spielberg for DreamWorks Television. And while it didn't go to series, the pilot film for Semper Fi, which focused on a U.S. Marine Corps regiment, was filmed and played as an hour-long special on NBC on April 1, 2001.

The film was directed my Michael W. Watkins (Las Vegas) from a screenplay by Jim Uhls based on Spielberg's concept. The cast included film and television newcomers and veterans alike including Scott Bairstow as enlistee Cliff Truckee, Alex Burns, Steve Burton (The Last Castle), Bianca Kajlich (Freaks and Geeks), Michael Peña (ER), Vicellous Shannon, Tammy Townsend, Terry O'Quinn (Earth 2), and Keith David.

Semper Fi also features an early score by composer Michael Giacchino, who got his start with DreamWorks Interactive composing music for the video game adaptations of The Lost World Jurassic Park and Small Soldiers, and most fittingly, the Medal of Honor series created by Spielberg.