Originally Posted by
grizzled
Only for a portion. More and more drones (i.e. uncrewed mobile weapons systems) will be land based and sea based (both on the surface and submerged). This is one key aspect of the evolution of modern warfare that the war in Ukraine is giving us a glimpse of.
Yes, add air force and navy respectively as necessary. Why would there be a need for yet one more branch? Essentially you have an aircraft, a maritime vessel and a terrain vehicle.