ATRRS Data-on-Demand at https://www.atrrs.army.mil/channels/dataondemand/ allows you to review the DAU Course Schedule. NOTE: Since changes to schedules occur frequently, the data at this website may not be the most current. The site is updated daily. Also, remember that this is a schedule of classes, NOT a list of spaces available. To view available spaces and waits, please go to the ATRRS AITAS website, https://www.atrrs.army.mil/channels/aitas.main.asp and attempt to apply for training.