The Mammoth Book of SF Wars by Brad R. Torgersen, Ian Whates, Mike Resnick, Simon R. Green, Laura Resnick, Fred Saberhagen, Algis Budrys, Tony Ballantyne, Allen M. Steele, Elizabeth Moon, Fredric Brown, Andy Remic, William Tenn, John Kessel, John Lambshead, Walter Jon Williams, Michael Z. Williamson, Gene Wolfe, David Weber, Cordwainer Smith, David Drake, Neal Asher, Joe Haldeman, Dan Abnett, Catherine Asaro, Paul McAuley