U.S. military presence at the Kyiv embassy underscores American involvement in Ukraine, providing security and assisting with accountability of materials.
The Pentagon is investigating the leak of classified American and NATO plans to bolster the Ukrainian military ahead of a planned offensive against Russian troops.
"It may be next year or it may be in your grandparent—your grandchildren and your great grandchildren's lifetime," he added. "We don't know," says Dr. Fauci.
Last week saw a sharp increase in attacks on US troops occupying northeastern Syria, with a drone strike against a US base blamed on “pro-Iran” forces and a US counter-strike said to have killed at least 19 people.
Iranian proxy forces attacked a US base in Syria with rockets after the U.S. ordered retaliatory strikes on Iran-affiliated groups, killing at least eight Iranians.