MarkColeman
Don't worry too much about it. I cannot swim very far and I am not confidant in water especially when I cannot reach the floor with my feet.
I can only swim about 30 yards before I begin to feel uneasy about being in a pool deeper than 5 feet.
I had to stick a life vest on, inflate it, jump in a pool and drag a colleague across a pool.
After that, we all had to climb out of the pool and into a life raft which is harder than you think. A tick in the box. Still hate being in water.
I was also concerned about it before hand, but there was no way it was going to stand in the way of getting a job.
Dont worry about it.