Staff Sgt. Gustavo Lopez, a Plane Captain assigned to the “Vipers” of Marine Light Attack Helicopter Squadron 169, guides an UH-1Y Venom as it arrives at Naval Air Facility Misawa. HMLA-169 is at NAF Misawa to conduct Tilt Rotor/Rotary Wing training exercises and reduce the training activity impact on Okinawa. - Staff Sgt. Gustavo Lopez, a Plane Captain assigned to the “Vipers” of Marine Light Attack Helicopter Squadron 169, guides an UH-1Y Venom as it arrives at Naval Air Facility Misawa. HMLA-169 is at NAF Misawa to conduct Tilt Rotor/Rotary Wing training exercises and reduce the training activity impact on Okinawa.