Lt. Col. Kevin Duffy, commanding officer of Marine Medium Tiltrotor Squadron 166, answers questions for local media outlets about the MV22B Osprey aircraft Aug. 29, 2013. The squadron visited Marine Corps Air Station Kaneohe Bay to conduct demonstration flights for “distinguished visitors” and outside media. (U.S. Marine Corps photo by Cpl. Matthew Callahan) - Lt. Col. Kevin Duffy, commanding officer of Marine Medium Tiltrotor Squadron 166, answers questions for local media outlets about the MV22B Osprey aircraft Aug. 29, 2013. The squadron visited Marine Corps Air Station Kaneohe Bay to conduct demonstration flights for “distinguished visitors” and outside media. (U.S. Marine Corps photo by Cpl. Matthew Callahan)