urban | Keith Urban | Challenge Cup | Urban area | United States Department of Housing and Urban Development | DARPA | Pope Urban VIII | National Urban League | Challenge Tour | Urban Outfitters | urban area | Pope Urban II | urban planning | Urban Cowboy | Challenge Anneka | Urban Community of Lille Métropole | University Challenge | Millennium Challenge Corporation | urban sprawl | Urban Meyer | Pope Urban VI | Diamond Challenge Sculls | USA Pro Cycling Challenge | Urban planning | Pope Urban V | Challenge | Urban Renewal | Urban Hymns | The Great Indian Laughter Challenge | Pope Urban IV |
The DARPA Grand Challenge and DARPA Urban Challenge have encouraged development of even more autonomous capabilities for ground vehicles, while this has been the demonstrated goal for aerial robots since 1990 as part of the AUVSI International Aerial Robotics Competition.