Abstract: Embodiments of the invention provide a mobile, modular emergency shelter which contains adequate breathable air cylinders connected to full face air masks, food, water, and first aid/medical supplies to enable a predetermined number of individuals (up to sixteen individuals in one embodiment) to survive and shelter in place in a hazardous environment, such as an underground mine containing toxic air secondary to explosions, fires, roof falls, or flooding, for a predetermined time period (up to four to five days in one embodiment) while awaiting rescue.