Reuters reports that “in the face of concerns about possible attacks by militants during the Winter Olympics in Sochi, Russia, U.S. military and intelligence officials have been studying contingency plans for evacuating Americans from the games in case of a crisis.”

“But U.S. officials have concluded there would be major obstacles to mounting a large-scale effort by the military or other U.S. government resources to evacuate Americans from Sochi, said a source familiar with Obama administration debates.”

“The most formidable roadblock U.S. officials have discussed regarding contingency plans for Sochi is that Russian authorities have historically been reluctant to allow foreign military forces, especially those of the United States, on Russian territory.”