At the time I joined the Infantry the plugger, a GPS system used by the military, was not widely used, if at all. We were taught the archaic and joyous art of Land Navigation, LandNav. You had coordinates, a protractor, map, compass, some rocks for counting, and a pace count, and you were on your merry way.
Now there were several techniques one could use to help ensure accuracy: terrain association, dead reckoning, the box method, etc. However, at several points along the way it was always a good idea to stop, pull out your compass and map, and perform an azimuth check.
An azimuth check is a way to make sure that you are still journeying towards the objective you set out to meet.
Do one once in a while, and like healthy living it’s better if you do it before you have to.
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