[Freelance Warrior]

IFV= 'infanty fighting vehicle'. AFV is used as a synonym.

APC= 'armoured personnel carrier'

The difference between them is that AFVs take part in combat, APC just transport infantry to a combat field, where the troops dismount and fight on foot. So APCs have lighter armour and weapons.

[Chainmail]

Very well-designed and efficient looking systems. I note that the IFVs are amphibious and many have antitank missile defense systems and the IFBs have remotely operated machine gun turrets.

[Wonder Warthog]

Thanks...very informative.