This regulation establishes Army policies and responsibilities for life cycle management of the following areas only as they pertain to training: training aids, devices, simulators, and simulations (TADSS), including tactical engagement simulation (TES), targetry, combat training centers, gaming technologies, range instrumentation, and training-unique ammunition, regardless of training site or event (combat training centers, homestations, institutions, or other training sites or venues). Also, it applies to capabilities acquired to meet urgent needs as well as acquisition programs. Additionally, this regulation explains and expands upon Army embedded training (ET) policy as stated in AR 350-1 and provides guidance on ET, a subset of systems training.