The Avangard is a hypersonic glider, developed by Russia, that can be carried as a MIRV payload by heavy.
USCG Rescues Russian Tanker
Russian oil ship Renda was fast on it's way to Nome, Alaska to deliver oil when its path became frozen solid. The U.S. Coast Guard and their icebreaker, The Healy came to rescue, breaking the ice ahead of them so they could move forward. The two ships had to travel through more than 350 miles of frozen sea ice!