DARPA's Defense Sciences Office (DSO) identifies and pursues high-risk, high-payoff research initiatives across a broad spectrum of science and engineering disciplines and transforms them into important, new game-changing technologies for U.S. national security.
This grant program appears to have a rolling submission policy, allowing proposals to be submitted at any time up until September 26, 2024. However, without further details on the specific causes supported or the broad goals and guiding principles of the program, it's difficult to provide a more detailed overview.