Biden wants ‘sharper rules’ on unknown aerial objects

President Joe Biden said Thursday that the U.S. is developing “sharper rules” to track, monitor and potentially shoot down unknown aerial objects, following three weeks of high-stakes drama sparked by the discovery of a suspected Chinese spy balloon transiting much of the country.

The president has directed national security adviser Jake Sullivan to lead an “interagency team” to review U.S. procedures after the U.S. shot down the Chinese balloon, as well as three other objects that Biden said the U.S. now believes are most likely “benign” objects launched by private...