President Donald Trump’s high-profile meeting with Russian President Vladimir Putin adjourned their brief summit Friday without announcing a breakthrough in negotiations to end Russia’s three-year-old invasion of Ukraine.

Here are 12 things to know about the historic, and controversial, summit. Anchorage’s military base: Joint Base Elmendorf-Richardson. Trump landed at JBER at 10:20 a.m. Friday and Putin arrived shortly before 11 a.m. They’re scheduled to hold a news conference at the end of their summit and then fly out of Anchorage.

Trump had earlier extended an invitation for the meeting at Putin's suggestion, but the leader has since been defensive. He has given a 25% chance that the talks might fail.

Donald Trump caved to at least two of Putin’s most harmful demands: no cease-fire in Ukraine and no additional sanctions on Russian oil and gas.

B-2 bomber and F-35s stage an impressive flyover watched by hundreds of thousands online as Trump and Putin meet in Anchorage.A U.S. Air Force B-2A Spirit

"We don't appreciate authoritarian dictators being invited to our state," said protest organizers Stand Up Alaska.