firepower

or fire pow·er

[ fahyuh r-pou-er ]
/ ˈfaɪərˌpaʊ ər /

noun

the capability of a military force, unit, or weapons system as measured by the amount of gunfire, number of missiles, etc., deliverable to a target.
the capability or potential, as of an organization, for action or achieving results.

Origin of firepower

First recorded in 1910–15; fire + power

British Dictionary definitions for fire power

fire power

noun military

the amount of fire that may be delivered by a unit or weapon
the capability of delivering fire