USS Connecticut collision while submerged

[Sean C]

From the Cruiser's Forum:

Originally Posted by garyfdl

Nightly news reported tonight that the Navy relived the CO, XO, and the COB (Chief of the Boat), a Master Chief Sonarman, of duty (essentially ending their Naval careers). The Navy's reasoning was the boat was traveling too fast for being in a poorly charted area.

As an (old - was in Sub school, Groton, CT this time 50 years ago) ex-bubblehead, I'm wondering: why not the Navigator? Or is the 'Nav' a thing of the past? (Can any, more recent bubbleheads fill me in?

Can anyone here shed some light on this? I'd be glad to relay the message.

Thanks in advance!