Flying cars are no longer just a sci-fi fantasy; the Air Force Research Lab is gathering information about where commercial innovation is going with flying cars. The US military has considered the idea before, but the problem is trusting the autonomy of a 1-2 person vehicle that has to take off. The program is arguing that flying cars could be a push for technology that would open new possibilities altogether.
Source: https://www.defenseone.com/technology/2019/09/air-force-will-start-work-flying-cars-fall/159917/