About 130 U.S. soldiers are returning to their bases after being deployed to a remote Alaska island amid a spike in Russian military activity off the western reaches of the U.S. The deployment of the 11th Airborne Division and two task forces included mobile rocket launchers and lasted about a week.

The North American Aerospace Defense command intercepted Russian military aircraft flying near Alaska three times over the last week in what appears to be an uptick in activity amid tensions between the US and Russia.

A Russian military aircraft was detected and tracked near U.S. airspace this past weekend in the fourth such incident in less than a week, according to NORAD.

The North American Aerospace Defense Command (NORAD) detected and tracked several Russian aircraft in the Alaska area over the last week. Two aircraft were detected Sunday and two on Saturday, according to NORAD.

The US has detected multiple Russian military planes flying near airspace off the coast of Alaska- for the fourth time in five days.The North American Aerospace Defense Command (NORAD) tracked a total of four aircraft over the last weekend,

Despite the rapid succession in less than a week is abnormal, such interceptions are viewed as routine and not a threat

U.S. aircraft escorted the Russian maritime reconnaissance/anti-submarine planes through international airspace Wednesday.

The North American Aerospace Defense Command detected Russian aircraft operating in the Alaska air defense identification zone (ADIZ) over a three day period from Friday to Sunday, the command said in a statement.

For the fourth time since Wednesday, North American Aerospace Defense Command, NORAD, tracked Russian aircraft operating near Alaskan airspace.

The U.S. military has moved more than 100 soldiers along with mobile rocket launchers to a desolate island in the Aleutian chain of western Alaska amid a recent increase in Russian military planes and vessels approaching American territory.