About 800 U.S. soldiers are operating in Niger, part of an "international effort" led by 4,000 French troops.
Since seizing Crimea from Ukraine, Russia has reinforced military assets in Black Sea waters around it and is now building its first land link to the territory.
Both NATO and Russia have been very active and increasingly aggressive over the past year or so.
Wesley Clark, a retired four-star general, says that Trump's affability towards Vladimir Putin is "very confusing" to the American public.
Russian President Vladimir Putin said the West has exploited his country's goodwill and disregarded the sovereignty of countries around the world.
Eight allies showcased NATO's smart defense concept, where one ship neutralizes a ballistic threat while others rush to its defense.
Russian President Vladimir Putin said "the necessary conditions have been created for putting an end to the fratricidal war in Syria."
Why a warrant? Mueller could have obtained information about the Russian accounts using a grand jury subpoena.
The future of Poland's position in the European Union remains uncertain.
Despite being billed as a counterterrorism drill, Russia and Belarus's Zapad showed us what the Kremlin fears war with the West could look like, experts say.
The war games include an "offensive portion... that looks to me like a rehearsal of an attack," General Curtis Scaparrotti said.
The Baltic NATO ally summoned Russia's envoy to demand an explanation, but Moscow claims the incursion was an emergency call which is being "politicized."
The Zapad drill on Europe's borders could include almost 10 times the permitted number of troops, provoking fears among NATO members.
Najib is the subject of a $1 billion foreign kleptocracy investigation, the largest ever launched by the Justice Department.
The RS-24 Yars flew more than 3,000 miles starting in western Russia and according to the country's Ministry of Defense, confirmed its "reliability."
"It is more unpredictable, and it's more difficult," Stoltenberg said when asked about the changes in the world over his 30-year career.
The Swedish military is kicking off its biggest exercise in almost a quarter of a century, while Russia and Belarus perform combat readiness drills nearby.
Ukraine's President Poroshenko said Moscow showed no signs of backing off from his country and recent military activity shows the Kremlin is preparing for a much bigger conflict.
Russia has said its new military drill is not aimed at any particular state, but the planned map shows the hypothetical enemy is in Poland, Latvia and Lithuania.