Noun
English Wikipedia has an article on:radius of actionWikipedia
radius of action (plural radii of action or radiuses of action)
(military) maximum distance a ship, vehicle, etc. can travel away from its base without refueling
Because standard iron-thermite is difficult to ignite, burns with practically no flame and has a small radius of action, standard thermite is rarely used on its own as an incendiary composition. Source: Internet
The similar OR.230 required a "long range bomber" with a convert radius of action with a maximum weight of convert when fully loaded; this requirement was considered too exacting. Source: Internet
The speed of the boat when fully loaded was to be at least convert and sufficient fuel was to be carried to give a considerable radius of action. Source: Internet