In depth of the troops - Infantry - 100$ Light and fast, does minimal damage but weak. Machine Gunner - 350$ Slow and heavy, does very little damage but in long bursts, has decent hp and a slow reload. Officer - 600$ Can call airstrikes and has a handgun, has decent hp and moderate reload. Rifle man - 400$ Very precise aim and high damage. Comes with a bolt action rifle with a bayonet, has low hp. Medic - 500$ Heals troops and has a sub machine gun, has low hp. Support - 600$ Usually good with other troops, bad alone but has high hp and an automatic machine gun. Grenadier - 1000$ High damage but if shot and killed theres a chance its grenades will blow up with it, above average hp. Artillery - 1350$ Very high damage, high health but has several weak spots.
I can't code for the life of me anymore, so if someone wants to take on the challenge of doing it you may. Space. (P.S) Black and tans were what the Irish called the British soldiers due to the colour of the suit they wore back then.