Eric Walker removed Unmanned surface vehicles (USVs) from Drones and robots
Eric Walker placed Unmanned surface vehicles (USVs) under Ships, boats, submersibles and submarines
Eric Walker removed Unmanned surface vehicles (USVs) from Ships, boats, submersibles and submarines
Eric Walker placed Unmanned surface vehicles (USVs) under Unmanned combat vehicles
Eric Walker updated the time prefix for Saildrone Explorer to be "2022"
Eric Walker updated the time prefix for Saildrone Explorer to be "2023"
Eric Walker updated the time prefix for Saildrone Explorer to be "2023"
Eric Walker added Unmanned surface vehicle - Wikipedia to Unmanned surface vehicles (USVs)
Eric Walker added a number of topics and a number of links to Drones and robots, and added Drones and robots to Devices, machines, vehicles and robots and Aircraft
Eric Walker added Saildrone Explorer and Unmanned surface vehicle - Wikipedia to Unmanned surface vehicles (USVs), and added Unmanned surface vehicles (USVs) to Drones and robots and Ships, boats, submersibles and submarines
Eric Walker added a number of links to Saildrone Explorer , and added Saildrone Explorer to Unmanned surface vehicles (USVs) and Military drones
Eric Walker added a number of topics and a number of links to Ships, boats, submersibles and submarines, and added Ships, boats, submersibles and submarines to Transportation and locomotion and Devices, machines, vehicles and robots