Editing T-12 Cloudmaker (section)

{{short description|US seismic bomb deployed from 1948 to 1958}}
{{Other uses|T12 (disambiguation)}}
{{refimprove|date=April 2017}}
[[File:T-12-USORDMUS.JPG|thumb|200px|T-12 casing at the [[United States Army Ordnance Museum]], [[Aberdeen Proving Ground]], [[Aberdeen, Maryland]]]]

The '''T-12''' (also known as '''Cloudmaker''') [[earthquake bomb]] was developed by the United States from 1944 to 1948 and deployed until the withdrawal of the [[Convair B-36 Peacemaker]] bomber aircraft in 1958. It was one of a small class of bombs designed to attack targets invulnerable to conventional "soft" bombs, such as [[bunker]]s and [[viaduct]]s. It achieved this by having an extremely thick, hardened [[Nose cone|nose section]] designed to penetrate deeply into the earth before exploding and then damage the target by the resulting shock wave.