Improved Osprey tilt-rotor aircraft is now part of president’s escort

When the president lifts off from the White House lawn, he’s joined by a few new wingmen. On President Barack Obama’s vacation flight Saturday to Martha’s Vineyard, new MV-22 Ospreys made their debut escorting his staff, Secret Service agents and the news media – although not the chief executive himself – to the island off the Massachusetts coast.

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