Yotta Navigation Corporation has been awarded Phase II SBIR Contract with the USAF to develop a compact, rugged, reliable, and cost-effective Mobile Activity Tracking System (MATS) for military simulations and field training exercises (FTX). MATS will consist of wearable Human Motion Trackers (HMT) modules usable over long-duration training missions both indoors and outdoors, and either with or without GPS access. The HMT can securely communicate warfighter location and acti