This is a compiled re-release of the When the Mission Ends trilogy (3 full-length books + 1 novella).The military has always been a way of life for the three Robertson siblings: older brother, Colton and twins, Chris and Cassie. Colton and Chris went into the Air Force as pilots and Cassie is a military history professor at Texas Tech University. But when Chris's jet is shot down in a horrible mission gone wrong, it throws their entire world into...