AAR CORP. is a diversified provider of products and services to the worldwide commercial aviation and government and defense markets. The Company operates in two segments: Aviation Services, which consists primarily of business activities conducted through AAR Parts Trading, Inc.; AAR Aircraft & Engine Sales & Leasing, Inc.; AAR Aircraft Services, Inc.; AAR Allen Services, Inc. (a wholly owned subsidiary of AAR Parts Trading, Inc.);. AAR Airlift Group, Inc. and AAR International, Inc., and Technology Products, which consists primarily of business activities conducted through AAR Manufacturing, Inc. and AAR International, Inc. In August 2014, the Company announced that Mobility Systems business has acquired assets of Cool Containers, manufacturer of temperature-controlled containers used to transport climate-sensitive pharmaceuticals and biological cargo.