Lacking modern antitank weapons, Israeli infantry was ineffective at stopping Syrian armor. The dug in defences consisted primarily of infantry and antitank guns. Notable examples include the antipersonnel APAV40 and the antitank AC58. Currey crossed the street to a vehicle, where he procured an armful of antitank grenades. The value of antitank missiles had been well established in the 1973 Yom Kippur war. Their suspension components must be protected from land mines and antitank weapons. The antitank role was given to tank destroyers. According to Henry, no Churchills were penetrated by German antitank fire while still manned. In early antitank weapons, copper was used as a liner material. Kahalani warned his men to remain on the lookout for antitank squads. The new type had to be immune to contemporary antitank gun fire. CLOS guidance is used mostly in shortrange air defense and antitank systems. The soldiers of Antitank Company received the Glider Badge. Although vulnerable to antitank fire, they can often be repaired or replaced in the field. In April 1941, a conference focused on the future of antitank operations.