NELLIS AIR FORCE BASE, Nevada—The United States, Britain, and Australia carried out joint air drills on Wednesday over the Nevada desert and beyond as part of an effort to simulate high-end combat operations against Chinese fighter aircraft and air defenses. Reuters accompanied British forces for several hours during the U.S.-hosted, three-week-long Red Flag exercises aboard…

LONDON—Russian air defenses were activated on Tuesday in the city of Sevastopol in Crimea, which Russia annexed from Ukraine in 2014, and two drones were shot down, the regional governor said in a statement, urging people to keep calm. Sevastopol is the headquarters of Russia’s Black Sea fleet. Russia blamed Ukraine for an attack on…

NEW YORK—The wife of former Goldman Sachs banker Roger Ng on Monday testified in her husband’s defense at a U.S. trial over the looting of hundreds of millions of dollars from Malaysia’s 1MDB sovereign wealth fund between 2009 and 2014. Ng, Goldman’s former chief for Malaysia, is charged with conspiring to launder money and violate…