Trump's comments come on the heels of Saudi Arabia's confirmation that Jamal Khashoggi, 59, was dead.
In addition to the S-300 missile systems, Russia Defense Minister Sergei Shoigu said Moscow has improved its electronic warfare abilities.
Iran's top security official said Israel "will face regrettable reactions" if it tries to attack Syria again, as Russia's strategic balance sways.
Russia's decision to equip its Syrian ally comes after an Israeli air raid and amid U.S. threats of military action.
The man held off three assailants using only his trusty pipe.
"Your work defending your client needs to happen in this courtroom, not on the public airwaves," a judge told Maria Butina's lawyer.
The U.S. says Chinese influence is bad for Africa, but South Africa and other countries are questioning what President Donald Trump has to offer.
Russian President Vladimir Putin said U.S.-led NATO was refusing to discuss easing increasing tensions. NATO disputed this.
Iran pledged to increase its military defenses in the face of "psychological warfare," a move likely to rile the U.S.
What Romanian Defense Minister Mihai Fifor called "a misunderstanding," Russian diplomat Pavel Alekseenko called "a spontaneous truth."
Over 380,000 Jewish settlers live in the West Bank.
America has signed off on $46.9 billion worth of arms sales so far this year.
Many Americans seem to be buying President Trump's anti-NATO—and often misleading—rhetoric.
Relations between Beijing and Taipei have frayed since Tsai Ing-Wen became president of Taiwan in 2016.
Trump has said the U.S. should spend less but he spent more on Europe's defense, all for a Russian threat he disputes is there.
Officials in Japan have asked if Tokyo's missile defense project is still on after apparent North Korea thaw.
A Chinese military report said "the U.S. armed forces have failed to live up to Trump's expectations" due to "scandals like ship collisions, drug abuses and rapes."
Even if the Pentagon budget were cut in half, the United States would still outspend China, Russia, Iran, and North Korea combined.
Moscow is studying the remains of Tomahawk rockets to exploit their weaknesses.
"It's no longer the case that the United States will simply just protect us," Merkel said at an award ceremony for French President Emmanuel Macron.
Rudy Giuliani has appeared on a variety of news shows over the past week.
The world's top two military powers may be on a collision course in Syria.
Vladimir Putin said the RS-28 Sarmat has no range limits and "is untroubled by even the most advanced missile defense systems."
Russia's so-called Satan missile has been shrouded in propaganda and secrecy, but Putin made it the centerpiece of his last state address.