From Barack Obama, White House:  Turkey and the United States have been partners since shortly after the birth of the modern Turkish Republic.

From Missile Defense Agency:  The Missile Defense Agency (MDA) and U.S. Navy sailors aboard the USS LAKE ERIE (CG-70) successfully conducted a flight test today of the Aegis Ballistic Missile Defense (BMD) system, resulting in the intercept of a separating ballistic missile target over the Pacific Ocean

From Judy Dempsey, Strategic Europe:  The Russian exclave of Kaliningrad plays a special role between Moscow, Warsaw, and Berlin.

From Radek Sikorski, Foreign Affairs:  Our relations with Russia, like yours, are pragmatic but brittle.

From Hillary Rodham Clinton, Atlantic Council:  [T]he Obama administration continues to update America’s ballistic missile defense systems to protect both Europe and the United States against threats from outside the continent.

From the Editors of the Calgary Herald:  The Pentagon announced its intention in March to place 14 new ground-based missile interceptors in Alaska by 2017

From Clara Marina O'Donnell, Real Clear World:  [S]o far, the Obama administration has refused to give Russia legal guarantees. The US has made such commitments in the past.

From Sergei Lavrov, Foreign Policy:  Of course the relationship between such big countries can never be cloudless. And we have some things which still divide us. Missile defense is one case in point.