Also , it was expected that most of the strait could be waded through .
Most would be needed to swim for only several hundred meters , but instead the men had to start swimming relatively early and could n't ever touch seabed before they were rescued .
Also , it was expected that most of the strait could be waded through and it would be needed to swim for only several hundred meters , but instead the men had to start swimming relatively early and could n't ever touch seabed before they were rescued .