In her last moments of life, Army nurse Capt. Jennifer Moreno heard two orders. One was a call to help a wounded soldier struck by a blast in a booby-trapped killing field at an Afghanistan bomb-making compound. The other was a command to stay put lest she strike another mine in the bomb belt. The nurse from Madigan Army Medical Center chose to help the wounded soldier, and gave her life trying. (snip) Moreno heard a call from a staff sergeant to help a wounded soldier. At the same time, the battle’s ground commander told all of the soldiers to...