When EU forces tried to make peace with PAC, PAC in secret tried very fast to build a new weapon, which could defeat EU easy. But they done it too fast, something went wrong, electric impulse destroyed all sources of electric energy in earth and PAC disappeared. After many years without electric energy, by accident EU found Energy Point, which generate electric energy, but they also found someone who changed behavior to zombie - PAC, no one knows why. The main target for both sides is Energy Points, which generates electric energy, needed to all machines and devices.
RASP Helm - RAdar SPotter helm allows Flyer soldier to use extended range scan, which reveals enemy position to soldier and his team in non zoom mode.
In zoom mode special hud appears, which shows several useful parameters, allows for long range zooming, and automatically shows almost all enemy type on screen by special icon.