Day in Photos: Memorial Day Preparations, Starship V3 Launch, and Allied Forces Exercise

A member of the 3rd U.S. Infantry Regiment with her daughter on her shoulders places a flag at each headstone at Arlington National Cemetery in Arlington, Va., on May 21, 2026. Before dawn soldiers begin the process of placing the flags at approximately 260,000 headstones ahead of Memorial Day. Heather Diehl/Getty Images

A member of the 3rd U.S. Infantry Regiment with her daughter on her shoulders places a flag at each headstone at Arlington National Cemetery in Arlington, Va., on May 21, 2026. Before dawn soldiers begin the process of placing the flags at approximately 260,000 headstones ahead of Memorial Day. Heather Diehl/Getty Images

SpaceX's new Starship V3 rocket is seen docked at the Starbase during the 12th test flight as seen from South Padre Island in Texas on May 21, 2026. Elon Musk's SpaceX is set for the debut launch of its latest Starship iteration on Thursday, testing the most powerful version yet of the megarocket as the company targets a blockbuster initial public offering. Ronaldo Schemidt/AFP via Getty Images

Attendees watch the controlled demolition by explosion of the two 328-foot-high chimneys of a former refinery in Collombey-Muraz, south-western Switzerland on May 21, 2026. Constructed by Eni, the Collombey refinery operated from 1963 to late March 2015, closing after more than 50 years under Tamoil ownership. Fabrice Coffrini/AFP via Getty Images