The exact command levels are:
Navy Branch
High Admiral (7) – commands roughly 409600 crew.
Fleet Admiral (6) – commands roughly 204800 crew.
Admiral (5) – commands roughly 102400 crew.
Vice Admiral (4½) – commands roughly 51200 crew.
Rear Admiral (4) – commands roughly 25600 crew.
Commodore (3½) – commands roughly 12800 crew.
Line Captain (3½) – commands a capital, battleship, or dreadnaught; roughly 6400 crew.
Captain (3) – commands a cruiser, destroyer, or capital; roughly 3200 crew.
Commander (2½) – commands a frigate or cruiser; roughly 1600 crew.
Lieutenant Commander (2) – commands a corvette; roughly 800 crew.
Lieutenant (1½) – commands roughly 400 crew.
Sublieutenant (1) – commands roughly 200 crew.
Ensign (½) – commands roughly 100 crew.
Midshipman (0) – commands roughly 50 crew.
Cadet (0) – commands roughly 25 crew.
*Navy ranks are ultimately based on ship class and not personnel count. 1ICs for warships are listed. To determine 2IC for a given class, subtract ½. To determine department chiefs, subtract 1.
Army Branch
Surface Marshal (7) – commands a sector army of 2 systems armies; roughly 655360 troops, 131072 light vehicles, or 65536 heavy vehicles.
High General (6) – commands a systems army of 2 armies; roughly 327680 troops, 65536 light vehicles, or 32768 heavy vehicles.
General (5) – commands an army of 4 corps; roughly 163840 troops, 32768 light vehicles, or 16384 heavy vehicles.
Lieutenant General (4½) – commands half an army of 2 corps; roughly 81920 troops, 16384 light vehicles, or 8192 heavy vehicles.
Major General (4) – commands a corps of 4 battlegroups; roughly 40960 troops, 8192 light vehicles, or 4096 heavy vehicles.
Brigadier (3½) – commands half a corps of 2 battlegroups; roughly 20480 troops, 4096 light vehicles, or 2048 heavy vehicles.
High Colonel (3½) – commands a battlegroup of 4 regiments; roughly 10240 troops, 2048 light vehicles, or 1024 heavy vehicles.
Colonel (3) – commands half a battlegroup of 2 regiments; roughly 5120 troops, 1024 light vehicles, or 512 heavy vehicles.
Lieutenant Colonel (2½) – commands a regiment of 4 batallions; roughly 2560 troops, 512 light vehicles, or 256 heavy vehicles.
Major (2) – commands a batallion of 4 companies; roughly 640 troops, 128 light vehicles, or 64 heavy vehicles.
Captain (1½) – commands a company of 4 platoons; roughly 160 troops, 32 light vehicles, or 16 heavy vehicles.
First Lieutenant (1) – commands a platoon of 4 squads; roughly 40 troops, 8 light vehicles, or 4 heavy vehicles.
Second Lieutenant (½) – commands half a platoon of 2 squads; roughly 20 troops, 4 light vehicles, or 2 heavy vehicles.
Cadet (0) – commands a squad; roughly 10 troops, 2 light vehicles, or 1 heavy vehicle.
Starfigher Branch
High Marshal (7) – commands a sector force of 2 systems forces; roughly 4608 starfighters, 9216 techs, and 9216 droids.
Force Marshal (6) – commands a systems force of 2 forces; roughly 2304 starfighters, 4608 techs, 4608 droids.
Chief Marshal (5) – commands a force of 2 commands; roughly 1152 starfighters, 2304 techs, and 2304 droids.
Marshal (4½) – commands a command of 2 divisions; roughly 576 starfighters, 1152 techs, and 1152 droids.
Vice Marshal (4) – commands a division of 4 groups; roughly 288 starfighters, 576 techs, and 576 droids.
Commodore (3½) – commands half a division of 2 groups; roughly 144 starfighters, 288 techs, and 288 droids.
Group Captain (3) – commands a group of 2 wings; roughly 72 starfighters, 144 techs, and 144 droids.
Wing Commander (2½) – commands a wing of 3 squadrons; roughly 36 starfighters, 72 techs, and 72 droids.
Squadron Leader (2) – commands a squadron of 3 flights; roughly 12 starfighters, 24 techs, and 24 droids.
Flight Lieutenant (1½) – commands a flight of 2 elements; roughly 4 starfighters, 8 techs, and 8 droids.
Flying Officer (1) – commands an element of 2 starfighters; roughly 2 starfighters, 4 techs, and 4 droids.
Pilot Officer (½) – commands a starfighter; roughly 1 starfighter, 2 techs, and 2 droids.
Cadet (0) – commands a detail; roughly 1 tech and 1 droid.