Senators Ben Cardin and John McCain have introduced a bipartisan bill.
Changing political landscapes in the U.S. and the EU have Ukrainians on edge.
As Ukraine edges toward NATO, it needs to replace its Russian guns.
Fifteen key questions for Trump's Defense pick James Mattis
Interceptions have remained high since a huge spike in 2014.
Among Russia's targets: Germany's parliament and the DNC.
"Everything is about Russia taking back territory that was historically Soviet."
The incursion lasted around a minute, Estonia's armed forces reported.
Children are asked to promise good behavior and adults are told to stock up on candy.
Jens Stoltenberg spoke as 4,000 troops prepare to shore up defenses around the Baltic Sea.
Iskander units were drafted in the exercise close to the Estonian border.
Putin says NATO's plans are destabilizing. NATO should explain why they aren't.
Russia strongly protested the move to take down the Communist monument.
Alexander Nosatov was deputy commander of the Black Sea Fleet during the Crimea annexation.
Estonia's Ministry of Defence claims Russian jets violated its airspace four times in 2016.
Baltic armed forces are set to practice urban warfare in an artificial town.
To send a message to Putin, NATO plans to deploy military units to Eastern Europe in numbers unmatched since the Cold War.
Less than 6 percent of the U.K.'s Poles plan on leaving.
Historically, NATO and the EU don't normally work together, but this is changing.