Memorial Day is a day to remember those who gave their lives in service to the nation. The fight for many War on Terror veterans didn’t stop when they came home from Iraq or Afghanistan. For some families, the battle was waged silently—and lost—at home. Cydney Guard was enjoying a well-deserved celebration trip to Hawaii in 2009 after graduating college with her degree in nutrition when she met her soon to be husband, Sgt. 1st Class Nicholas Ka…