Contractors are developing a European rocket artillery system that could rival Lockheed Martin's HIMARS.Sgt. 1st Class Timothy Cordeiro/US Army National GuardContractors are developing a rocket artillery system for Europe that could rival HIMARS.The heavier EuroPULS could carry twice as many rockets.HIMARS may be a victim of its popularity, as Lockheed Martin tries to meet surging demand.Europe is building a multiple rocket launcher that resembles America's HIMARS, the ground-fired weapon that took on the precision strike missions that Ukraine's battered air force couldn't.EuroPULS, a truck-mounted multiple rocket launcher, is a collaboration between Franco-German defense firm KNDS and Israel's Elbit Systems.