DICE recently posted its next issue of “The Road to Battlefield 4” up on its Battlefield Blog, along with the next classes out for each 3 countries in the game.
Each country will have a Support (Light Machine Gunner & Ammunitions), Engineer (Demolitions), Recon (Sniper) and Assault (Medic & Heavy Rifle) class.
The Chinese:
The Russians:
And the US:
DICE also went into a bit of detail concerning the different paths of field upgrades (Offensive vs. Defensive), along with the retooling of the “Suppressive Fire” aspect of the game. Check it out. Battlefield 4 Blog