The most thrilling elements of Nicolai Fuglsig’s based-on-real-events war drama 12 Strong are, in ascending order, Chris Hemsworth, Michael Peña, Michael Shannon and horses. If you have an affinity for any or all of those things, the movie is at least tolerable. But it’s hard to shake the feeling that 12 Strong–based on Doug Stanton’s 2009 book Horse Soldiers, about U.S.