A matter of speed? Understanding hypersonic missile systems
X–51A Waverider. Photo credit: US Air Force graphic
X–51A Waverider. Photo credit: US Air Force graphic
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A NATO sign marks the seventieth anniversary of the Atlantic alliance in Kyiv, Ukraine. Pierre Crom/Getty Images
•The Biden administration’s goal is to cut the Russians off at each turn by exposing their plans. But Russian President…
Biden and Putin meet in Geneva, June 2021 Guo Chen Xinhua / eyevine / Redux
•It is the biggest concentration of firepower in Europe since the cold war By The Economist The crisis on the Russia-Ukraine…
•The United States and its allies have trained and helped equip the Ukrainian army. But it has little resemblance to…
•Beware of food price spikes and revolutions if Ukrainian grain deliveries are disrupted. By Alex Smith, a food and agriculture analyst…