what are the card states
The McDonnell Douglas F-4 Phantom II[N 1] is a tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed for the United States Navy by McDonnell Aircraft. It first entered service in 1960 with the U.S. Navy. Proving highly adaptable, it was also adopted by the U.S. Marine Corps and the U.S. Air Force, and by the mid-1960s had become a major part of their air arms.
Park this jet on your airport and unlock new, additional ability for your radiomen. Jet is providing equivalent of artillery support across much larger distances artillery ever could.