the HECU marines

the HECU are a military organization in the first half life game they wear m40 field protective gas masks and urban camouflage uniforms with a powered combat vest or called PCV for short the guns that the HECU use are the mp5 submachine gun for shotguns they use the franchi saps 12 and for the heavy guns they use the m249 saw machinegun the vehicles they use the M1A1 Abrams tank M2A3 Bradley infantry fighting vehicle and the M35 cargo truck for air they use the AH-64 apache attack helicopter and the V-22 osprey