hours. This is much more efficient, as a team of human divers would need upwards of 21 days to perform the same task. A survey conducted by RAND Corporation for the US military analyzed the missions which unmanned underwater vehicles could perform, which included intelligence, reconnaissance, mine countermeasures, and submarine warfare. The review listed these from most to least important. OODA Technologies, a data collection and analysis company, is highly interested in utilizing UUVs along the coasts of Canada. According to OODA, these unmanned craft provide much greater coverage of an area at a much lower cost compared to their manned counterparts. The quality of the data returned by unmanned marine vehicles is also stated to be much higher than that of traditional manned craft. In November 2022, the Eurasian Times reported that China's Harbin Engineering University has developed trans-medium 'flying submarine' drones capable of both underwater and air travel, noting the potential military applications of the vehicles. Implementations These examples of applications took place during the 2018 Advanced Naval Technology exercises, in August at the Naval Undersea Warfare Center Division Newport. The first example of unmanned underwater vehicles was displayed by Northrop Grumman with their air drop sonobuoy's from a fire scout aircraft. Throughout the demonstration the company used the: e Iver3-580 (Northrop Grumman AUV) to display their vehicles ability to sweep for mines, while also displaying their real-time target automated recognition system. Another company, Huntington Ingalls Industries, presented their version of an unmanned underwater vehicle named Proteus. The Proteus is a dual-mode undersea vehicle developed by Huntington and Battelle, the company during the presentation displayed their unmanned underwater vehicle capabilities by conducting a full-kill demonstration on sea bed warfare. During the demonstration the vehicle utilized a synthetic aperture sonar which was attached to both the port and starboard of the craft, which allowed the unmanned underwater vehicle to identify the targets placed underwater and to ultimately eliminate them. Ross Lindman (director of operations at the company's technical solution's fleet support group) stated that "The big significance of this is that we ran the full kill chain". "We ran a shortened version of an actual mission. We didn’t say, ‘Well we’re doing this part and you have to imagine this or that.’ We ran the whole thing to illustrate a capability that can be used in the near term." The final demonstration for unmanned underwater vehicles was displayed by