ObjectivesFor achieving navigational safety and continuous communication link between swarms of unmanned marine vehicle (UMV) during mission execution. the cooperative path planning of unmanned surface vehicle (USV) and unmanned aerial vehicle (UAV) swarms is studied. MethodsKeep-in and keep-out geo-fences are used to carry out scene modelling. and the problems of threat and obstacle ... https://jalyttlers.shop/product-category/rechargeable-lamp/