Whether you bug in or bug out, lighting resources are an essential gear item. If I ever go to the poor house it will be because I have spent too much on knives, guns, and lights. I have a bunch of these items, some good, some bad, and some outright worthless.
The concept of tactical illumination has been around for a while, but only in recent years have the tools been widely available for individuals not affiliated with law enforcement or military. Many manufactures offer tactical flashlights, so let’s examine an entry level light by a premier manufacturer: the SureFire G2