WASHINGTON, DC - JULY 15: Marine One lands on the Ellipse near the White House, as U.S. President Donald Trump prepares to depart for Carlisle, Pennsylvania, for the Pennsylvania Defense & Innovation Summit at U.S. Army War College, on July 15, 2026 in Washington, DC. Trump is a featured speaker at the summit, which brings together defense and technology leaders, including senior military commanders, industry CEOs, and investors, to accelerate innovation and strengthen America’s defense industrial base. (Photo by Haiyun Jiang-Pool/Getty Images)