The Ministry of the Russian Federation put out a press release
on June 26th which explained a new deal that has been signed between the Russian Emergency Situations Ministry and the United States Federal Emergency Management Agency. (FEMA)
According to the new deal, Russia and the United States will "exchange experts during joint rescue operations and in major disasters" and "exchange experience in monitoring and forecasting emergency situations, training rescuers, developing mine-rescuing and providing security at mass events."
So according to this deal, Russian forces will be present
at any event considered a "National Special Security Event," which, according to the United States Secret Service
website, is a title designated by the Secretary of Homeland Security. Past events that have been considered "National Special Security Events" include Super Bowls, State of the Union Addresses, the Olympics, and the Democratic and Republican national conventions.
United States and Russian forces have previously trained together on US soil. In fact, the first time Russians ever trained on US soil was just last year