While the idea being shown upthread has obvious similarities to a quadcopter, the Isreali's are developing a machine for similar purposes which resembles the concept first pioneered in the late 1950's by the Piasecki VZ-8 Airgeep. Two ducted rotors are placed front and rear of the machine, with passengers, engines and equipment held in between.
https://www.ems1.com/ambulances-emergency-vehicles/articles/israeli-flying-ambulance-drone-aims-to-save-lives-2pMldCISpZWwqYzU/
https://jalopnik.com/yes-the-u-s-army-actually-developed-a-flying-jeep-wit-1829029636