Cape Cod Airfield, (ICAO: K2B1, FAA LID: 2B1) in Marstons Mills, Massachusetts is a public airport owned by the Town of Barnstable. It has three runways, averages 75 flights per week, and has approximately 20 aircraft based on its field. Biplane Rides, flight school, and skydive operations on the field. In the 1930s, the 101st Observation Squadron of the Massachusetts National Guard attended summer training here. The field is also the former location of Camp Perkins, a national guard camp which was active on the site during the early 1920s and possibly longer.