US Air Force Secretly Armed B-21 Raider with A Terrifying MONSTER Bomb!Welcome, to another thrilling episode of Skyward Fighter!. Today, we’re delving into one of the most formidable advancements in the U.S. military’s arsenal—a weapon so terrifyingly powerful, it’s capable of obliterating some of the most secure enemy underground bunkers on the planet. That weapon is the GBU-57A/B Massive Ordnance Penetrator, or MOP. And now, the U.S. Air Force is preparing to arm its cutting-edge B-21 Raider stealth bomber with this behemoth. Let’s take a closer look at what makes this combination of bomber and bomb so groundbreaking.