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.

The Trump administration is putting on a multi-million-dollar military parade in the nation's capital to celebrate the Army's 250th anniversary. Scott MacFarlane has more on the security issues at play.