There was no immediate reaction from Jordan, a kingdom bordering Iraq, Israel, the Palestinian territory of the West Bank, Saudi Arabia and Syria.
US troops long have used Jordan as a basing point. Some 3000 American troops typically are stationed in Jordan.
Since Israel’s war on Hamas in the Gaza Strip began, US troops in Iraq and Syria have faced drone and missile attacks on their bases. The attack on Jordan marks the first targeting American troops in Jordan during the war.
Biden, who was in Columbia, South Carolina, was briefed on Sunday morning by Defense Secretary Lloyd Austin, national security adviser Jake Sullivan and principal deputy national security adviser Jon Finer.
- AP