Setting the Standard. Delaware Resource Group provides unmatched training services in support of the United States war fighter. DRG trains on average over 1,000 students every day on over 150 types of training devices. With excellent past performance ratings, DRG has built a superior reputation and set industry standards in the government training industry. As a prime contractor, subcontractor and teaming partner on many modern military aircraft and radar surveillance programs, DRG provides services including aircrew training, simulator operations and maintenance, contractor logistics services and systems engineering support for an array of U.S. and Allied warplanes.