Congress makes the first appropriation for Army aeronautics, $125,000 for Fiscal Year 1912, with $25,000 to be made available immediately. Chief Signal Officer James Allen quickly orders five new aircraft at a cost of approximately $5,000 each.
Navy Adm. Samuel J. Paparo Jr. assumed leadership of the U.S. Indo-Pacific Command, succeeding Navy Adm. John Aquilino at a change of command ceremony, urging action amid China's “increasing intrusive and expansionist claims,” on May 3