AAR Corp is a global aerospace and defense aftermarket solutions company that employs more than 6,000 people in over 20 countries. AAR's Aviation Services segment provides aftermarket support and services to commercial aviation and government customers worldwide. AAR's Expeditionary Services segment provides products and services supporting the movement of equipment and personnel by the U.S. and foreign governments, and non-governmental organizations. AAR's Intelligent Solutions segment provides technology-driven products and services to the global aviation and aerospace industries. AAR is headquartered in Wood Dale, Illinois.