Exercises For The Guardians Of The Desert -- Meharistes standing in front of their speed tanks, before going into action during the exercises. Maneuvers and exercises have recently been taking place in Egypt for the Meharistes, known as the guardians of the Desert. These troops are one of the most efficient bodies of the Egyptian Army, highly trained in all branches of fighting, and with a through knowledge of the Lay-out of the desert, are immediately ready for action and speed to the scene on their fast camels. July 19, 1937. (Photo by Keystone).