 Lt Col Newman aboard the MGB , need not have landed , but he was one of the first ashore . One of his first actions was to direct mortar fire onto a gun position on top of the submarine pens that was causing heavy casualties among the Commandos . He next directed machine @-@ gun fire onto an armed trawler , which was forced to withdraw upriver . Newman organised a defence that succeeded in keeping the increasing numbers of German reinforcements at bay until the demolition parties had completed their tasks . 
 Lt Col Newman aboard the MGB , need not <a href='been_done' title='1'><mark>have</mark></a> landed , but he was one of the first ashore . One of his first actions was to direct mortar fire onto a gun position on top of the submarine pens <a href='null_relcl' title='2'><mark>that</mark></a>was causing heavy casualties among the Commandos . He next directed machine @-@ gun fire onto an armed trawler , which was forced to withdraw upriver . Newman organised a defence <a href='null_relcl' title='3'><mark>that</mark></a>succeeded in keeping the increasing numbers of German reinforcements at bay until the demolition parties <a href='been_done' title='4'><mark>had</mark></a> completed their tasks . 
Lt Col Newman aboard da MGB , need not done landed , but he was one of tdafirst ashore . One of his first actions was to direct mortar fire onto a gun position on top of the submarine lakers was causing heavy casualties among the Commandos . He next directed machine @-@ gun fire onto an armed trawler , which was forced to withdraw upriver . Newman organised a defence succeeded in keeping thdancreasing numbers of German reinforcements at bay untill the demolition parties done completed their tasks .