However , U-84 was able to surface , away from the two hunters , and fled on the surface , outstripping her two pursuers .
As she did this , Penshurst was joined by the sloop Alyssum , which joined the attack .
U-84 was able to surface , away from the two hunters , and fled on the surface , outstripping her two pursuers .
As she did this , Penshurst was joined by the sloop Alyssum , which joined the attack .