The idea for the Dragonfly drone is the idea that the Global Hawk drones can equip with propellers. That is used in quadcopters. Those propellers that can be pulled in could give Global Hawk the VTOL ability. Those propellers lift Global Hawk, and then it can start to use its main engine. Today Global Hawk is an old fashion concept. But it can be used in civil missions.
Dragonfly is the drone that could search for life from Titan. The drone is also able to operate on any planet with an atmosphere or those highly sophisticated tools can also "fly" in oceans. That means the Dragonfly-type drone can also swim in hydrocarbon oceans on the giant moon Titan.
The Dragonfly-type drones could also take samples from the gas planet's atmosphere. In that kind of system, the drone can have a rocket engine that can use hydrogen or methane and oxygen as fuels. That drone can drop into the gas giant's atmosphere. There is can dive deeper and take that sample. Then those propellers rise the drone as high as possible. And then chemical rocket takes it to the mothership probe.
"An RQ-4 Global Hawk unmanned aircraft like the one shown is currently flying non-military mapping missions over South, Central America, and the Caribbean at the request of partner nations in the region". (Wikipedia/Northrop Grumman RQ-4 Global Hawk)
"Artist’s Impression of Dragonfly on Titan’s surface. Taking advantage of Titan’s dense atmosphere and low gravity, Dragonfly will explore dozens of locations across the icy world, sampling and measuring the compositions of Titan’s organic surface materials to characterize the habitability of Titan’s environment and investigate the progression of prebiotic chemistry. Credit: NASA/Johns Hopkins APL" (ScitechDaily.com/NASA Dragonfly Bound for Saturn’s Giant Moon Titan Could Reveal Chemistry Leading to Life)
The Viper is NASA's first automatically operating Lunar vehicle. It looks like the SWAT team's conceptual bomb-disposal robot. That SWAT-team assistance robot is moving the vacuum chamber. In a vacuum, the pressure impact of detonators is not very powerful. And that makes it possible to take evidence from the microcircuits and other hardware that is used in the bomb.
These kinds of vehicles can also operate in Antarctica and other difficult places. The large-scale version of the Dragonfly drone can carry those ground-moving vehicles also into remote islands and other dangerous positions. Both of those drones can also operate in underwater conditions, which makes them very interesting tools for research and intelligence missions.
Both of those probes can also operate on Earth. They can search for unknown species in remote and dangerous areas. And they can operate as guards for national parks. But the same systems that can operate unseen can use in intelligence missions. Those systems can take images as well as things like whales and submarines. They can operate for many years and because operators are sitting in their operational center, they are not risking their health in those operations.
https://scitechdaily.com/nasa-begins-building-viper-its-first-robotic-moon-rover/
https://scitechdaily.com/nasa-dragonfly-bound-for-saturns-giant-moon-titan-could-reveal-chemistry-leading-to-life/
https://en.wikipedia.org/wiki/Northrop_Grumman_RQ-4_Global_Hawk
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