Really good 'cold war' sub sim?

[ENEMY BELOW]

aTTENTION ALL HANDS!
as I've probably given away IN THE THREAD TITLE , I'm looking for a recomendation towards what is a really good 'Cold war Era' sub sim; preferably with voice command. I'm disability retired early and love the novels by Clancy,Mark Joseph and whomever, of sub activity. My son-in-law gave me 'ENIGMA: RISING TIDE'
which has great voice command ability nbut the WWII scenarios and kind of 'set-piece' situations just don't 'do-it' for me. I'd like to discover a voice command sub-sim that lets you just 'cast-off lines and sail from port into a sea that might have randomly positioned "adversary' subs and surface ships to deal with. And maybe the odd 'coolant pump' failure, etc.
while allowing you to choose which side of the cold warrior you want to be and attack or boomer sub at one's whim.without any points accumulatio or gaming to actually 'Win'. just a scenario to drive your 'boat' in and have fun.
ANY BODY OUT THERE EXPEWRT ENOUGH TO RECOMEND SUCH A SOFTWARE, OR EXPERT ENOUGH TO SAY" FORGET IT BUDDY , 'DERE AIN'T NO SUCH BEAST!' thanks all and
"take 'er down'

ENEMY BELOW.
And are many of you old enough as me to know the answer to the question in Crimson Tide' about "who was the captain of the german sub in 'THE ENEMY BELOW?"
dUH, OBVIOUSLY CURT jURGENS WHOM ALSO PORTRAYED GENERAL ALFRED JODLIN 'PATTON'