Long Range Desert Group trucks, 1942, crewed by New Zealanders, many of whom joined the Long Range Desert Group in 1940 from a consignment of troops who found themselves at Alexandria without their arms and equipment, which had been lost at sea.

It was essential to stop at midday in the summer because the shadow of the sun-compass needle was too short to give an accurate reading. Compass below, being carefully checked

sand mats were used to get out of trouble

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One of these trucks was found in Libya in 2010, http://justacarguy.blogspot.com/2016/02/ww2-built-vehicle-was-designed-to-take.html