More On Russia

Is it a Russian spy? Is it a therapy animal? Is it just a runaway SeaWorld mammal finally free to take on the high seas?

An emotional and apologetic Butina said in court she is "truly sorry" and regrets not registering as a foreign agent.

The service aims to work with partners to promote visibility and ensure stability in the region.

"In addition to mercenaries and Russian troops, the Kremlin has also publicly signaled its support for Maduro."

A U.S. general charged that Russian mercenaries have gained a foothold in the Central African Republic.

The Russians will take advantage of any void left by U.S. troops leaving Syria, Gen. Joseph Votel warned.

NATO needs two more destroyers based in Europe and more carrier presence in the North Atlantic to counter Russia, he said.

Marines carrying out crisis-response missions get a look at what war with a potential adversary like Russia might look like.

The Pentagon is taking steps to ensure that irregular warfare is not forgotten as a critical tool.

Naval Special Warfare is increasingly being included in planning for the "great powers competition," Adm. Bill Moran says.