Gen. Joseph F. Dunford Jr., assistant commandant of the Marine Corps, speaks during the F-35B Lightning II Rollout Ceremony at Eglin Air Force Base, Fla., Feb. 24. “For the first time in aviation history, the most lethal characteristics – supersonic speed, radar-evading stealth, extreme agility, and short takeoff vertical landing capability – have been combined in a single platform,” said Dunford. - Gen. Joseph F. Dunford Jr., assistant commandant of the Marine Corps, speaks during the F-35B Lightning II Rollout Ceremony at Eglin Air Force Base, Fla., Feb. 24. “For the first time in aviation history, the most lethal characteristics – supersonic speed, radar-evading stealth, extreme agility, and short takeoff vertical landing capability – have been combined in a single platform,” said Dunford.