A bunker buster is a type of munition that is designed to penetrate hardened targets or targets buried deep underground, such as military bunkers.
A U-Boat pen after being hit by a Grand Slam. Note the figure standing on the pile of rubble.
An example of bunker busters at work at Ali Al Salem Air Base, Kuwait
GBU-57 Massive Ordnance Penetrator
A GBU-24 Paveway III strikes its target in a weapons test
A bunker is a defensive military fortification designed to protect people and valued materials from falling bombs, artillery, or other attacks. Bunkers are almost always underground, in contrast to blockhouses which are mostly above ground. They were used extensively in World War I, World War II, and the Cold War for weapons facilities, command and control centers, and storage facilities. Bunkers can also be used as protection from tornadoes.
The Flakturm at the Augarten in Vienna. Flak towers were used as both above-ground bunkers and anti-aircraft gun blockhouses by Nazi Germany
The north entrance to the Cheyenne Mountain Complex in Colorado, United States
Inside the Hill 60 Bunker, Port Kembla, New South Wales, Australia. One of many bunkers south of Sydney
In a Project 131 tunnel under the hills of Hubei
