I guess based on other information on the internet - this is more likely a NORAD discrete frequency. It appears to be commonly used by fighters that are tasked with air defense status. Technically the F16s at KACY are standby air defense so makes sense they have this as one of their frequencies. Technically anyone with that status could show up on 235.900John, this is directly from Ron's (mdmonitor) master list----> 235.900 Huntress & 119th FS NJ ANG A-A discrete