Pegan has published numerous publications and is runs a well funded research program supported by multiple organizations. Outside his role as a faculty member at UGA, he is a captain in the United States Army Reserve. He enlisted as a combat engineer before transitioning as an officer to the Adjutant General Corps, and then the Medical Service Corps where he serves today. Currently, he lends scientific, combat and command experience as a science and technology adviser to the U.S. Army’s Research, Development and Engineering Command, assisting the Army effort in identifying technology gaps for the armed forces, and assists and guides research projects to remediate those gaps.