Hi All; 5/4 1830z 125.1500 Mystic 36 (Gap helo) / Reading apprch; enroute Willow Grove. 1835z 125.1500 Baton 67 (Harrisburg C130) / Reading apprch; several low apprchs w/tower on 119.9000. 1837z 125.150 / 119.900 Tag or Tad or Cad 325 / Reading apprch/tower; landed for fuel. Not sure if this was a mil a/c or not. Rich - Reading, PA