Naval Historywith Dr. Alex

Q&A · 2:40:45-2:41:51

Why better Japanese anti-aircraft guns do not yield a simple Midway result

Adding 40 mm Type 5 guns at Midway changes defensive envelopes and American losses, but the result depends on distribution, training, formation, and how attackers react.

Anti-Aircraft GunsBattle Of MidwayCarrier WarfareImperial Japanese NavyType 5 40 mm Anti-Aircraft Gun
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Question

How would Japanese 40 mm Type 5 guns alongside the 25 mm Type 96 change American losses at Midway?

Short answer

American losses would probably rise, but the number and wider battle outcome depend on deployment, training, formation, and attacker response.

Notes

One improved weapon cannot produce a fixed casualty number. The guns would alter each task group's defensive-fire plan and the approach available to American aircraft. Their effect depends on which ships received them, where those ships were positioned, whether crews were trained, and how many vessels still carried the older 25 mm system. More American aircraft would probably be lost, while saving a carrier and creating another carrier battle remains only a possibility.