Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email accelerator@dstl.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use. Details Details This Defence and Security Accelerator (DASA) competition is seeking proposals that can develop technologies to permit the coexistence of future offshore windfarms alongside UK Air Defence surveillance systems. This includes alternative technologies that could reduce radar clutter caused by offshore windfarms, ensure intruder detection in the vicinity of offshore windfarms and fill or remove gaps in radar coverage created by windfarms.