How so? They have an AEGIS Cruiser, a couple destroyers and at least 1 sub protecting them at all times. They also have their own air assets, and considerable defensive measures built in.
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The US Air Force has 5600+ aircraft, the US Navy has 3,700+ aircraft, the Army has about 3700+ as well but these are mostly rotary craft, such as Apaches and Blackhawks. They rely on the Air Force for close support. The Marines have their own fighter wings, and have about 1,000+ aircraft.
The entire Russian Military has about 3000 aircraft.
Let that sink in.