On our darkest day, they were our greatest hope. Watch the new trailer for #12StrongMovie. — Chris Hemsworth and Oscar nominee, Michael Shannon, star in 12 S. 12 Strong: The Declassified True Story of the Horse Soldiers. Plot Summary: The story of heroism is based on true events that unfolded a world away in the harrowing aftermath of 9/11 when a U.S. Special Forces team, led by their new Captain, Mitch Nelson (Chris Hemsworth), is chosen to be the first U.S. troops sent into Afghanistan for an extremely dangerous mission, 12 STRONG - Official Trailer - YouTube, Amazon: 12 Strong: Chris Hemsworth, Michael Shannon, 12 Strong - Full Movie Watch Online, Download and Stream HD. Amazon: 12 Strong (BD) [Blu-ray]: Nicolai Fuglsig, Andrew..