Assault Breaker was a Defense Advanced Research Projects Agency (DARPA) program begun in 1978 to integrate a number of technologies including lasers, electro-optical sensors, microelectronics, data processors and radars important for precision guided munitions (PGMs).
[1] Assault Breaker was conceived to attack moving, rear echelon armor massed deep behind enemy lines.
Assault Breaker was conceived to obtain a uniquely high kill rate at a much smaller risk and cost than existing tactics permitted.
United States Department of Defense officials believed that Assault Breaker's fire rate could destroy in a few hours sufficient vehicles in Warsaw Pact reinforcement divisions to prevent their exploiting a breakthrough at the forward edge of battle area.
[4][5] It is a set of "new warfighting operational constructs based on new and emerging technologies and capabilities" and reportedly would focus on ships, air defenses, headquarters, tanks, supply depots, and other critical assets.