- HD 1080
- Runtime: 97m.
- Status: Released
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- Languages: en
- Country: Philippines, Australia
- Director: Brian Trenchard-Smith
- Stars: Wings Hauser, R. Lee Ermey, Robert Arevalo, Margaret Gerard, Mark Neely
- keywords: vietnam war, vietcong, embassy, siege, sergeant, massacre, u.s. marine, tet offensive
- Production_studio: International Film Management, Fries Entertainment, Eastern Film Management Corporation, Bancannia Holdings Pty. Ltd.
- Slogan: Against all odds they went to hell and back.
- providers: Amazon Prime Video, MGM Plus, ScreenPix Apple TV Channel, Amazon Prime Video with Ads
- The The Siege of Firebase Gloria is featured in the top rankings of 1989
- #68 in Top Action Movies of 1989
- #17 in Top War Movies of 1989
A Marine patrol stops at Firebase Gloria at the start of the Tet Offensive during the Vietnam war. With the firebase attacked, the patrol remains to help defend it.