The film, based on director and retired Special Warfare Operator First Class Ray Mendoza's real-world experience in the Iraq War, is a gritty, real-time combat action between Navy SEALs and Iraqi insurgents.

Warfare,” the new film co-directed by Alex Garland (“Civil War,” “Ex Machina”) and former US Navy SEAL Ray Mendoza, knows it’s going to give audiences a rough ride, so it starts off with a laugh.