effect

Michal Solarski is careful to mention that he's a photographer, not a historian. However, it was his fascination with history, specifically World War II's effect on the Polish people, that guided him to create his newest photography book: "The Airmen." Polish fighter pilots during WWII -...

What would the effect of having a reliable Hispano 20mm cannon with belt fed ammo in Spitfires and Hurricanes in time for the BoB? The Spitfire's performance my be degraded against the Bf 109, but would that be outweighed by the damage the 20mm could do on the bombers?

Or at least early war. Figure if we can have a thread about the "Effect of the R4M rocket being invented pre-war" we could do the same for US production of the Hispano-Suiza HS.404R4M 20mm cannon - not an unreasonable expectation.