Take the tanker FOB from this locker
An encoded passkey that provides access to high security areas.”
You need one of these to access the navigation computer of the PMV Valdez.
You need to use a FOB to access the navigation computer: Besides picking the lock, you may also trick the Commander into giving you the key with a high enough Speech skill. Should the Commander be dead, and you do not have the 70% Lockpick to pick the lock, you can either open it by detonating C-4 in the vicinity or by using a crowbar with high Strength to wedge it open.