The document describes a thermal extraction system (TES) designed by a senior design team from Utah State University for AFRL Challenge 2015. The TES uses a cooling vest with embedded channels connected to a fan and battery pack assembly to draw heat away from the body. Testing showed it could cool 118 watts at 118°F and 22% humidity and lower amounts of heat at higher temperatures and humidity. The design evolved over multiple iterations to improve cooling performance and comfort for the wearer during a range of military tasks.