D’oh!

Meant to include this on the last post.

Little David. A 36” mortar, originally designed to lob aerial bombs as part of the testing of bombs.

Later, it was developed as a bunker buster for the planned invasion of Japan. With the end of the war, it became superfluous and development was stopped.

[youtube=http://www.youtube.com/watch?v=vtlmljJDWxk]