Everything the military buys is bought against a "bid spec" which gives some minimum standards the component must meet. These are usually called "mil-specs." But there's nothing that says a mil-spec is any more stringent than anybody else's spec. So, yeah, it's just a marketing ploy!
1988 Coleman Sequoia - popup (1987-2007)
2012 Roo19 - hybid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10