The U.S. military says a sailor shot and killed two people at Joint Base Pearl Harbor–Hickam, Hawaii, before killing himself.
Trump administration officials say that President Donald Trump ordered the United States Armed Forces to conduct military strikes against targets of the Armed Forces of the Islamic Republic of Iran in retaliation for downing an American surveillance drone the day prior, and that he changed his mind hours later and ordered an immediate stop to the operation while American warplanes were in the air and warships were in position.
The U.S. military launches Tomahawk cruise missiles from the USS "Nitze" against Houthi-controlled radar sites in Yemen following two incidents in which, according to U.S. military, missiles were fired on United States Navy vessels in the Red Sea.
A Russian Sukhoi Su-27 fighter jet makes an "unsafe close-range intercept" of a United States Navy P-8A Poseidon over the Black Sea in international airspace, coming within 10 feet (3.3 m) of the U.S. aircraft.
The Royal Navy's Sabre 6 fires warning shots at a Spanish Guardia Civil vessel after it twice attempted to cut across the path of United States Navy submarine Florida 6 during an incursion into Gibraltar's territorial waters. Gibraltar officials say Spanish vessels regularly stray deep into its territorial waters and the Foreign and Commonwealth Office has attacked the incursions as provocative.
Iran seizes the crew of two small United States Navy boats near Farsi Island, in the Persian Gulf, after they had allegedly entered Iranian waters. Pentagon spokesman, Peter Cook, told Associated Press that Iran has assured the United States that the crew and vessels will be returned promptly.