| Forces | - Spruance (TF 16): 2 carriers, 5 heavy cruisers, 1 anti aircraft cruiser, 9 destroyers, 54 fighters, 74 dive bombers, 29 torpedo planes.
- Fletcher (TF 17): 1 carrier, 2 heavy cruisers, 6 destroyers, 27 fighters, 37 dive bombers, 15 torpedo planes.
- Midway (land based aircrafts): 28 fighters, 40 dive bombers, 6 torpedo planes, 21 heavy bombers, 32 seaplanes.
- Oiler group: 2 destroyers, 2 oilers.
- Theobald (TF 8. His aviation is land-based): 2 heavy cruisers, 3 light cruisers, 13 destroyers, 14 escort or patrol boats, 1 gunboat, 5 coast guard cutters, 1 tug, 1 freighter, 2 oilers, 6 submarines, 109 fighters, 47 bombers, 1 heavy bomber, 20 seaplanes.
- Midway Local Defense: 3 destroyers, 2 seaplane tenders, 7 escort or patrol boats, 10 motor torpedo boats, 1 tug, 2 oilers.
- TF 7 (submarines): 19 submarines.
Total: 3 carriers, 11 heavy cruisers, 6 light cruisers, 1 anti aircraft cruiser, 46 destroyers, 2 seaplane tenders, 35 escort or patrol boats, 2 gunboats, 10 coast guard cutters, 10 motor torpedo boats, 3 tugs, 2 freighters, 8 oilers, 31 submarines, 327 fighters, 94 bombers, 151 dive bombers, 50 torpedo planes, 23 heavy bombers, 72 seaplanes | - Nagumo (1st Air Fleet): 4 carriers, 2 battlecruisers, 2 heavy cruisers, 1 light cruiser, 12 destroyers, 5 oilers, 73 fighters, 72 dive bombers, 81 torpedo planes, 19 seaplanes.
- Takasu (covers the operation in the Aleutians, detached from Yamamoto's group): 4 battleships, 2 light cruisers, 11 destroyers, 2 oilers.
- Hosogaya (Northern Force, 5th fleet): 1 heavy cruiser, 2 destroyers, 3 freighters, 2 oilers.
- Kakuta (close cover, 5th fleet): 2 light carriers, 2 heavy cruisers, 3 destroyers, 1 oiler, 40 fighters, 21 dive bombers, 21 torpedo planes.
- Omori (Invasion of Attu, 5th fleet. Carries 1200 soldiers): 1 light cruiser, 4 destroyers, 1 mine layer, 1 transport.
- Ono (Invasion of Kiska, 5th fleet. Carries 1250 soldiers): 2 light cruisers, 3 destroyers, 1 auxiliary cruiser, 3 minesweepers, 2 transports.
- Yamazaki (Submarine detachment): 6 submarines.
- Yamamoto (Main Body, 1st fleet): 1 light carrier, 3 battleships, 1 light cruiser, 9 destroyers, 2 seaplane carriers, 2 oilers, 8 aircraft.
- Kondo (Invasion Force, 2nd fleet): 1 light carrier, 2 battleships, 4 heavy cruisers, 1 light cruiser, 8 destroyers, 1 repair ship, 5 oilers, 12 fighters, 12 torpedo planes.
- Kurita (Close support group for the Midway invasion): 4 heavy cruisers, 2 destroyers, 1 oiler.
- Invasion Convoy to Midway: 1 destroyer, 2 seaplane tenders, 7 escort or patrol boats, 4 minesweepers, 1 auxiliary ship, 12 transports, 2 freighters, 1 oiler, 32 seaplanes.
- Tanaka (escort of the invasion convoy to Midway): 1 light cruiser, 10 destroyers.
- Komatsu (submarine force): 1 light cruiser, 1 submarine tender, 10 submarines.
- Tsukahara (Land based aircraft at Wake, Aur, Wotje, Jaluit, Kwajalein): 72 fighters, 82 torpedo planes, 24 seaplanes.
Total: 4 carriers, 6 light carriers, 13 battleships, 2 battlecruisers, 16 heavy cruisers, 15 light cruisers, 88 destroyers, 2 seaplane carriers, 2 seaplane tenders, 7 escort or patrol boats, 2 auxiliary cruisers, 10 minesweepers, 2 mine layers, 1 auxiliary ship, 1 submarine tender, 1 repair ship, 18 transports, 8 freighters, 24 oilers, 22 submarines, 8 aircraft, 237 fighters, 114 dive bombers, 217 torpedo planes, 75 seaplanes |