A phony story in Lithuania claimed an American soldier deployed to Lithuania was infected with the deadly coronavirus.
The Defense Ministry says the Stryker vehicles were en route to a drill site in Prienai district in central Lithuania.
NATO is not planning to boost its military presence in Baltic nations, the alliance's head Jens Stoltenberg said Thursday.
Gen. Petr Pavel told reporters he and his NATO counterparts have not seen obvious offensive acts from Russian aircraft.
Lithuania on Monday accused Russia of deploying nuclear-capable ballistic missiles to its Kaliningrad exclave.