Palantir, the data analysis and technology firm whose contracts with the federal government are expanding, and Coinbase, a cryptocurrency firm that donated to the president’s inauguration, also sponsored the event. Oracle, a database company whose co-founder is a close friend of Mr. Trump’s, received a shout-out on Saturday as a sponsor.

"He's a draft dodger," Moulton said. "It's the first military thing he really gets to do." Moulton isn't the first to refer to Trump as a "draft dodger." Democratic Senator and Purple Heart recipient Tammy Duckworth previously referred to the 79-year-old as "Cadet Bone Spurs" as she spoke on Trump's previous politicization of the military.