Yeah, that's tough. Try 48 to 72 hours because there's problems with the propulsion plant aboard ship in 120 degree heat. Just as you think you might get 2/3 hours and your head hits the pillow someone is waking you saying; "Chief, we have a problem." Oh, did I forget to mention that two of the evaporators are down so the only water you make goes to the boilers and you haven't had a shower in three days? All of this and you haven't been in port for 2 months to enjoy a cold beer.
Yeah, life is tough.
What drugs you taking