The three-year program was undertaken by Northrop Grumman at a contract cost of $410 million, and focused on the basic design of the radar system. Phase II is a six-year, $888 million contract awarded by the Air Force's Electronic Systems Center in May, 2004, under which the radar system is being developed, tested and integrated.
Northrop Grumman embarked on a three-year initiative worth $410 million to develop the basic design of the radar system. The subsequent Phase II project, valued at $888 million and spanning six years, was awarded by the Air Force's Electronic Systems Center in May 2004, with the aim of creating, testing, and integrating the radar system.