TCM has a really inventive double feature on hand tonight: Two war movies that share the same essential premise and structure, yet one is a straight drama adventure, while the other is just as exciting, yet improbably and intentionally comic. The first, at 8 p.m. ET, is 1967’s The Dirty Dozen, starring Lee Marvin and Charles Bronson. The second, at 10:45 p.m. ET, is 1970’s Kelly’s Heroes, starring Clint Eastwood, Telly Savalas, and Don Rickles. Both movies,