The Defence and Security Accelerator (DASA) seeks to fund innovative solutions for UK defence and security, offering 100% funding with no matching required and the intellectual property retained by the innovators. Current themed competitions focus on personnel tracking for emergency situations, less lethal weapons, and unmanned air systems, with specific funding limits and development requirements. DASA encourages participation through themed calls and an open call for innovation, aiming to rapidly drive commercially viable solutions to address various challenges.