Churchill Mk.III with 'Ardeer Aggie' Mortar - Tank Encyclopedia

In effort to give the Churchill AVRE greater firepower and range, a 300mm mortar was designed and tested on a Churchill Mk.III.

What will be the most imminent problems when you install too big

WW2 British Tanks and Armored Fighting Vehicles 1930-1945

Surviving Churchill Mark III AVRE D-Day Pill box busting tank

Infantry Tank Mark IV Churchill

Models

Ardeer Aggie - Tank Design & Development

ArtStation - Churchill MK III - AVRE

Ardeer Aggie - Tank Design & Development

Churchill - WWII Online Wiki

Churchill A.V.R.E. - Tank Encyclopedia

Ardeer Aggie – the other Churchill AVRE

Ardeer Aggie – the other Churchill AVRE