gun (Sturmgeschütze) was designed to provide advancing infantry with close
armoured artillery support, the assault gun's job was to take out fortified positions
and to deal with enemy tanks over time the assault gun was continually up gunned
and became a very effective tank killer Gallery: Sources:
German Military Vehicles.
Armoured Fighting Vehicles of Germany World War II.
Encyclopedia of German Tanks of World Two.
For a complete list of sources