Across this city, everyone from office workers and retirees to firefighters and doctors practiced what to do if one day China were to invade, holding “whole of society” drills that were unprecedented in scale and complexity, according to Taiwanese officials and analysts.

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the first to bring together U.S. Forces Japan and the country’s newly formed Joint Operations Command.

Armed with cameras, curiosity and a shared military mindset, two friends recently embarked on a 10-day photographic journey that spanned from the neon-lit alleyways of Tokyo to the tranquil waters of Lake Ashi, through the hot springs of Hakone and westward to Kyoto and Osaka.

Proust Scent, a shop in Seoul’s Jongno district, does sell ready-made fragrances. But its main draw is a one-hour, hands-on perfume-making class that encourages guests to craft their own signature scent.

Air Force weather preparedness training at the Inoda fishing port on Ishigaki Island drew complaints from Japanese authorities.

The US-led NATO alliance must prepare for the possibility that Russia and China could launch wars in Europe and the Pacific simultaneously, with 2027 being a potential flashpoint year, Gen. Alexus G. Grynkewich said.

The prime minister of Australia sought to focus his trip to China this week on business and trade opportunities, sidestepping thornier issues around U.S.-China competition such as Taiwan or Beijing’s military expansion.

Undeterred by recent indictments alleging widespread cyberespionage against American agencies, journalists and infrastructure targets, Chinese hackers are hitting a wider range of targets and battling harder to stay inside once detected, seven current and former U.S. officials said in interviews.

Students who meet the Department of Defense Education Activity’s criteria for biliteracy will have a seal stamped on their diploma and the designation included in high school transcripts.

A version of next year’s defense spending bill forwarded recently by the Senate Armed Services Committee would bar the Defense Department from withdrawing troops from South Korea without congressional approval.