The AN/AWG-9 offers a variety of air-to-air modes including long-range continuous wave velocity search, range-while-search at shorter ranges, and the first use of an airborne track-while-scan mode with the ability to track up to 24 airborne targets, display 18 of them on the cockpit displays, and launch against 6 of them at the same time. This function was originally designed to allow the Tomcat to shoot down formations of bombers at long range. The AWG-9 was the result of a series of Navy programs to build what was known as a "fleet-defense fighter"; an aircraft armed with extremely long-range radars and missiles that would be able to engage formations of enemy aircraft well-away from aircraft carriers. Their first attempt was the F6D Missileer, which combined Westinghouse's AN/APQ-81 pul