Marines and soldiers train inside a field-expedient post office aboard Camp Lejeune, N.C., during a training exercise to prepare for postal service in austere environments, Sept. 11, 2012. Fourteen Marines with Combat Logistics Regiment 2, 2nd Marine Logistics Group joined with soldiers from the 82nd Sustainment Brigade to practice processing mail without the aid of modern technologies. - Marines and soldiers train inside a field-expedient post office aboard Camp Lejeune, N.C., during a training exercise to prepare for postal service in austere environments, Sept. 11, 2012. Fourteen Marines with Combat Logistics Regiment 2, 2nd Marine Logistics Group joined with soldiers from the 82nd Sustainment Brigade to practice processing mail without the aid of modern technologies.