80cm Schwerer Gustav Shell, Daniel Perez Sutil

In size and range, how did the biggest naval cannon of WWII compare to the biggest land-based cannon of WWII? - Quora

With the amount of artillery shells fired by both sides during both World Wars, were there any instances where the shells collided in the air? - Quora

How powerful was the cannon on the M3 Chaffe? - Quora

How did artillery targeting systems and techniques develop during the first world war? - Quora

10 Wunderwaffe, or 'Miracle weapons', that Nazis could have used to win WW2 – History Totally Naked

How did artillery targeting systems and techniques develop during the first world war? - Quora

During both World Wars, why were railway guns used, considering they are confined to the tracks on which they run? - Quora

Is it safe to use a crow bar to lift an old WW2 tank/cannon shell (off the rocks) if it has been sitting on the ocean floor for 70+ years? If not

How did soldiers protect their ears when firing guns and artillery in WWI and WWII? - Quora

What are some interesting facts about World War 1 artillery? - Quora

Was the 'M9 Elevation Quadrant' used on a 105mm field cannon in WWII? - Quora

How far could naval cannons shoot in WW2? - Quora