The weapons in Oliva's platoon would not be silenced until being hit by several MILAN anti-tank missiles and the supporting 105mm artillery guns from Mount Challenger, with Oliva reporting the loss of 4 men in his platoon. L Company Marines took 5 hours to advance 600 metres in the face of reinforcements in the form of Sub-Lieutenant Eugenio César Bruny's RI 4 Platoon and contend they took fire from at least seven machine guns and protecting rifle teams that wounded five men, including the company's second-in-command and his signaller. British military historian Hugh Bicheno reports that the 4th Regiment's passive night goggles were all with Arroyo's B Company.Another 11 Marines in Wheen's Company were wounded by Argentine shellfire that Lieutenant-Colonel Soria personally brought down attempting to halt the British advance.