A U.S. official called the deal a by-product of ongoing efforts to end the Ukraine war. It came as a key nuclear treaty between Washington and Moscow expired.
Post reporters ventured to northwest Nigeria, where fighters affiliated with the Islamic State are on the offensive despite December airstrikes ordered by President Trump.
Buckingham Palace announced in October that Andrew Mountbatten-Windsor would vacate Royal Lodge, though he was photographed there on horseback just this week.
U.S. lawmakers have expressed concern that the end of New START could lead to "a dangerous and costly arms race" between the world's biggest nuclear powers.
The Trump administration's America First strategy has trickled down to what's left of the government's humanitarian apparatus, potentially leading to millions of deaths by 2030.
Officials said the aircraft was "acting aggressively" when it approached the USS Abraham Lincoln, which was sent to the Middle East amid renewed tensions between Washington and Tehran.