The decision to strengthen the US military presence in Alaska follows a series of Russian air operations.
The US has deployed a destroyer and an army unit amid rising tensions over increased Russian-Chinese cooperation near Alaska.
The destroyer USS Sterett has sailed off the coast of Alaska in response to the presence of Russian ships in the area, Politico reports.
The United States is wary of Russia's actions in the Indo-Pacific region and the Arctic.
Moscow's relations with China are raising more and more questions in Washington.
Beijing and Moscow are demonstratively drawing closer to each other in order to strengthen their economic ties, in contrast to international aloofness.
Senator Dan Sullivan is alarmed by the situation, noting the growth, scale and frequency of Russian and Chinese military activity in the region.