NOTAM: TAC AIR AT CONCORD OP/K15 18 MAY 14:00 UNTIL 19 MAY 04:00 As of 1510z, GATOR 31 (F/A-18) is onstation working with ADVANCE (ground FAC) on 300.9. Advised he has 30 minutes play time. Also in comms with SKYWATCH (Ft Benning range control) on 249.5. Mike Riffle West Point, GA