Army

This symbol '>' means that the vehicle is in a folder with the vehicle ABOVE without the same symbol and is needed to unlock it.

This symbol '↓' means that the vehicle ABOVE (without the '>') IS needed to unlock the vehicle BELOW the symbol.

The vehicles/symbols that are colored dark orange ARE NOT available in game and can be used to look at the tech tree like it is in-game.

The vehicles that are colored blue ARE available in game.