TAC SITUATION MAP 1: 0400-0430, Nagumo launches 7 searchplanes along NE/SE arc, then 107 fighters, dive-bombers, torpedo-bombers @ Midway; Fletcher sends VS-5 on a westward search; 0530-540, Midway-based PBY’s spot 2 Japanese carriers and incoming airstrike…Midway launches 24 defensive fighters and counterstrike of 17 heavy bombers, 10 torpedo-planes, 27 divebombers; 0640-0700, Japanese brush aside defenders and hammer Midway; 0656, Fletcher orders Spruance to begin launching Enterprise & Hornet strike aircraft along vector 240 degrees; 0710, Midway B-17’s and torpedo-planes begin attack on Japanese carriers