Systema, the Russian Martial Art or the Russian Combat Art is not, despite the nomenclature, a martial art as understood by today standards. It was and still is a military combat art and therefore, includes learning to survive in a hostile or relatively hostile environment. First and foremost this training is to help soldiers survive during warfare but it can also be used help practitioners of this art survive during any hostile environment.
This article will provide three methods you can use to navigate when you do not have a compass by Jacob Hunter.
The article examines:
1) Navigating with your wristwatch and the Sun.
2) Using the Shadow/Stick method
3) Using the Stars at night