RS3 is a Multiple Award Indefinite Delivery, Indefinite Quantity (IDIQ) Performance Based Services Contract that provides customized best value solutions to a diverse group of organizations that span the spectrum of Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) mission requirements throughout the world. RS3 has a $37.4B ceiling with a 10-year ordering period (five-year base ordering period and five-year optional ordering period). RS3 primary service areas include but are not limited to Engineering; Research, Development, Test and Evaluation (RDT&E); Logistics; Acquisition and Strategic Planning; Education and Training Services.