They say “War is hell,” and, without a doubt, there’s plenty of evidence to back up that contention. But rarely, if ever, does anyone say that “War is boring,” although that can certainly be said about its depiction in this latest offering from writer-directors Alex Garland and Ray Mendoza. This fact-based account tells the story of a Navy SEAL unit charged with providing support for a US Marine operation in Ramadi during the Iraq War in 2006. Filmed in real time, the picture seeks to take viewers onto the front lines of this urban warfare setting, one that results in an ambush by insurgents a...