thank you very much. at ease, at ease. please sit down. thank you, melania for that wonderful introduction and being such an incredible emissary for the american people. she s become very, very popular. tell you that. very proud of her. thank you. secretary wilson, chief wright, general jacobson, colonel tiekart, i m honored to join you on this really, really historic occasion, the 70th anniversary of the united states air force. the greatest air force on the face of this earth by far. [cheers & applause]