Versions
There are, M2A0, M2A1, M2A2 and M2A3 versions. M2A0 is the basis version. The M2A1 has been armored with a TOW 2 missile. The M2A2 has a increased survivability. All A0 and A1 will become updated till A2 and all A2 till the A3 version.
The upgrade till A3 includes a improved situational awareness and a digital command and control capacity which are essential by superior information during combats.

A3 upgrade
- a vehicle control and operation system with automatic crew functions. This is to enlarge of situational awareness, transmitting, receiving, storing and display of digital data transmission. This digital capacity has been standardized with all other components in the US Army.
- a increased Bradley accuracy system (IBAS): a independent commander viewer, 2 second generation FLIR's for increased target acquire.
- a position navigation system with a GPS receiver to improve the situational awareness.

Now the Bradley is be able to get information for situational awareness from other "participants" like radar planes, fighter jets, combat helicopters, command posts, special forces, reconnaissance united and more.
Specify information about the armoring is classified.
The bradley on the photo belongs to

Bradley of the 4th Squadron, 7th Cavalry Regiment, US Army