Question: When is The Coral Sea Battle shown?
Question: How accurately does the movie portray the Battle of Midway?
Answer: This is from Wikipedia: "Later studies by Japanese and American military historians call into question key scenes, like the dive-bombing attack that crippled the first Japanese carrier, the Akagi. In the movie, American pilots report, "They've got bombs all over their flight deck! We caught 'em flat-footed! No fighters and a deck full of bombs!" As Jonathan Parshall and Anthony Tully write in "Shattered Sword" (2005), aerial photography from the battle showed nearly empty decks. In addition, Japanese carriers loaded armament onto planes below the flight deck, unlike American carriers (as depicted earlier in the film). The fact that a closed hangar full of armaments was hit by bombs made damage to Akagi more devastating than if planes, torpedoes and bombs were on an open deck."
Answer: It's shown in the original 4 hour movie. Most of the scenes from the Coral Sea Battle are cut from this version and the battle is referenced, but never really shown.