Mark "Billy" Billingham spent 27 years in the military in the Parachute Regiment, with the Special Air Service (SAS) as a Mountie troop leader, sniper, and jungle warfare instructor. Since leaving the armed forces, he's worked as an A-list bodyguard to Angelina Jolie, Brad Pitt and Tom Cruise. He's now a consultant on Channel 4's "SAS: Who Dares Wins." We asked Billy to rate the realism of popular military scenes in movies, from "American Sniper" to "Commando" and "Black Hawk Down." Billy is the author of "The Hard Way: Adapt, Survive and Win." WATCH MORE HOW REAL IS IT VIDEOS: Special Ops Sniper Rates 11 Sniper Scenes In Movies https://www.youtube.com/watch?v=HB0CZ_5sPPw Afghan War Veteran Rates 9 Afghanistan War Battles In Movies https://www.youtube.com/watch?v=pvD0H9p7T0I Military Experts Rate 70 Military Battles In Movies And TV https://www.youtube.com/watch?v=5hCKDPSSVi0 ------------------------------------------------------ Insider is great journalism about what passionate people actually want to know. That’s everything from news to food, celebrity to science, politics to sports and all the rest. It’s smart. It’s fearless. It’s fun. We push the boundaries of digital storytelling. Our mission is to inform and inspire. Subscribe to our channel and visit us at: https://www.insider.com/ Insider on Facebook: https://www.facebook.com/insider/ Insider on Instagram: https://www.instagram.com/insider/ Insider on Twitter: https://twitter.com/thisisinsider Insider on Snapchat: https://www.snapchat.com/discover/Insider/4020934530 Insider on Amazon Prime: https://www.amazon.com/v/thisisinsider Insider on TikTok: https://www.tiktok.com/@insider Insider on Dailymotion: https://www.dailymotion.com/INSIDER SAS Soldier Breaks Down 11 Military Scenes | Movies Insider