Russian military planes and navy vessels, including two submarines, have come close to Alaska in the past week as Russia and China conducted joint drills.

The deployment announcements include aviation, armor and sustainment brigade deployments.

The U.S. aircraft was a P-8A Poseidon patrol and reconnaissance plane, according to the People’s Liberation Army’s Eastern Theater Command.

Pfc. Matthew Perez died as a result of injuries sustained while training at the Joint Readiness Training Center at Fort Johnson, Louisiana.

The U.S. handed over its last military bases in Niger to local authorities last month, but about two dozen American soldiers had remained in Niger.