The April attack at the Green Village base in northeastern Syria wounded four American service members.
At least 1,000 fighters from Russia’s Wagner Group are expected to focus on the Kremlin’s goal of seizing eastern Ukraine.
With the new arms package, which officials say includes antitank and antiaircraft missiles, the Biden administration has sent Ukraine $1.2 billion in weapons in the past year.
The strike targeted Al Shabab militants who had attacked allied Somali security forces.
Tens of thousands of people, including Americans, could flee across the border if Russia attacks Ukraine.
Nearly 5,000 soldiers from the 82nd Airborne Division are now in Poland in response to the Russian deployments on Ukraine’s borders.
Helicopter-borne Special Operations troops carried out the risky predawn commando assault.
The suicide bomber who killed nearly 200 people, including 13 U.S. troops, had been freed from prison by the Taliban days before the attack.
The commander and second in charge of the littoral combat ship Montgomery were relieved because of “a loss of confidence in their ability to command,” a rare punishment for a ship’s leaders.
The military initially defended the August strike, which killed 10 civilians including seven children, in the days afterward, but ultimately called it a tragic mistake.