WASHINGTON, DC - JULY 15: U.S. President Donald Trump walks to Marine One as he departs for the Pennsylvania Defense & Innovation Summit at the U.S. Army War College, on the Ellipse near the White House, 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)

WASHINGTON, DC - JULY 15: U.S. President Donald Trump walks to Marine One as he departs for the Pennsylvania Defense & Innovation Summit at the U.S. Army War College, on the Ellipse near the White House, 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)

WASHINGTON, DC - JULY 15: U.S. President Donald Trump walks to Marine One as he departs for the Pennsylvania Defense & Innovation Summit at the U.S. Army War College, on the Ellipse near the White House, 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)

WASHINGTON, DC - JULY 15: U.S. President Donald Trump walks to Marine One as he departs for the Pennsylvania Defense & Innovation Summit at the U.S. Army War College, on the Ellipse near the White House, 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)

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)

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)

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)

This photograph shows an air conditioning exhaust pipe emerging from a restaurant's doorway in Paris on July 15, 2026. (Photo by JOEL SAGET / AFP via Getty Images)