WASHINGTON, DC - JULY 04: U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 04: (from left to right) Retired astronaut Harrison Schmitt, Artemis II crew members Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen stand on stage as U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 04: U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - JULY 04: U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)

WWII veteran Harry F. Rose (L), US Marine Corps veteran Donald G. Graves (C) and retired US Army Captain Ken Schubring and his son (R) stand on stage as US President Donald Trump (unseen) speaks during the "Salute to America" Independence Day celebration on the National Mall in Washington, DC, on July 4, 2026.. The nation is marking the 250th anniversary of the United States Declaration of Indpendence. (Photo by Kent NISHIMURA / AFP via Getty Images)

WASHINGTON, DC - JULY 04: (from left to right) Retired astronaut Harrison Schmitt, Artemis II crew members Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen stand on stage as U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)

WWII veteran Harry F. Rose (R) stands on stage as US President Donald Trump (unseen) speaks during the "Salute to America" Independence Day celebration on the National Mall in Washington, DC, on July 4, 2026.. The nation is marking the 250th anniversary of the United States Declaration of Indpendence. (Photo by Kent NISHIMURA / AFP via Getty Images)

WASHINGTON, DC - JULY 04: (from left to right) Retired astronaut Harrison Schmitt, Artemis II crew members Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen stand on stage as U.S. President Donald Trump speaks during "Salute to America 250" Fourth of July celebrations on the National Mall on July 04, 2026 in Washington, DC. Americans are celebrating the nation’s 250th anniversary amidst an extreme heat wave bringing dangerous triple digit temperatures to much of the eastern United States. (Photo by Andrew Harnik/Getty Images)