President Joe Biden has said helium makes nary apologies for shooting down an alleged Chinese spy balloon disconnected the seashore of the US.
He said the balloon was utilized for surveillance, but 3 different objects changeable down implicit North America were improbable to beryllium overseas spy crafts.
The US would present amended its detection of akin aerial objects, helium said.
Mr Biden besides said helium would talk with China's President Xi Jinping soon astir this month's incident.
"I anticipation we are going to get to the bottommost of this, but I marque nary apologies for taking down that balloon," Mr Biden said astatine the White House connected Thursday.
China has denied the balloon was utilized for surveillance, alternatively saying it blew disconnected people portion collecting upwind data.
But Mr Biden reiterated the presumption of US officials that the balloon, which traversed the state astatine an altitude of astir 40,000ft (12,192m) earlier being blown retired of the entity by a US combatant pitchy implicit the Atlantic, was successful information utilized for spying.
Speaking astir 3 different objects subsequently changeable down implicit Alaska, north-west Canada and Michigan, Mr Biden said the quality assemblage believed they were "most apt balloons tied to backstage companies, recreation oregon probe institutions".