International law requires Ukraine and Russia to cooperate on maritime issues.
"We pose no threat to any country but if the enemies seek to implement their malicious intentions and attack us we will be absolutely aggressive," the Revolutionary Guards ground forces chief said.
"We will not allow inexcusable and reprehensible violations of that trust to erode decades of honorable service, teamwork, and progress by the members of USSOCOM," General Raymond Thomas III wrote to personnel in an email obtained by Newsweek.
From fighter jets to cyber security—how do the Middle Eastern giants compare?
The U.S. Navy sailed near the Peter the Great Bay "to challenge Russia's excessive maritime claims" a week after taking on China in the South China Sea.
Beijing and Washington vie for influence in the Asia-Pacific as China presses strategic regional goals.
The country's pacifist constitution has long prevented governments from attaining carriers.
The S-400 system is considered the most advanced in the world.
The men were captured during a violent confrontation with Russian navy ships on Sunday.
Angry anti-Russian demonstrators set fires and threw smoke bombs and flares outside the compound.
"Trump is someone who dodged the draft himself. Who is he to say that this revered military hero didn't do his job?"
The remarks come after Chinese President Xi Jinping told his forces to "concentrate on preparing for war."
But Sean Spicer said "SNL" executive producer Lorne Michaels should be fired for the joke.
An interceptor missile was fired from a U.S. Navy ship.
"I want the American people to understand what has been, what is and what will be, to solve this problem," Okinawa Governor Denny Tamaki said.
It was the latest setback for the ageing vessel.
All four accused individuals are submariners based in Washington state at Naval Base Kitsap-Bangor.
Tomy was caught in a storm on Friday that damaged his boat and left him injured and immobilized.
The Haifa port will come under control of the Shanghai International Port Group in 2021. Israeli critics are worried about potential security issues posed by China's presence.
Russia's top diplomat warned the U.S. "not to play with fire" as Moscow rallied forces in support of the Syrian regime.