If an individual is selected for Delta, he undergoes an intense 6-month Operator Training Course (OTC), to learn counter-terrorism and counterintelligence techniques, in which the individual maintains little contact with friends and family for the duration.
Ako individualac uspije biti odabran za Deltu, prolazi kroz 6-mjesečni trening za operatora (Operator Training Course, OTC), kako bi naučio protuterorističke i protuobavještajne tehnike, tijekom kojeg vremena ima malo kontakta s prijateljima i obitelji.