An Imperial Navy ship has to carry along a lot of top secret information. The location of secret deep space fuel stations, communication codes, contingency plans, emergency rendevouz points, technical specifications of ships, radiation signatures, orders, political assessment reports, personnel files, dossiers of prominent persons, etc. To safeguard such information, the IN has developed a data pack. Its two most prominent features are two big buttons, marked respectively 'Erase' and 'Retain'. If the erase button is pressed, every bit in the memory is thoroughly randomized and the memory bank itself destroyed by a small thermite reaction. If the retain button is NOT pressed for 12 hours, the same thing happens. Every officer is required to press the retain button on their personal data pack every 8 hours. Less drastic operations are entered using a keyboard. For instance, specific bits of information can be deleted; the memory is still thoroughly randomized, but the memory banks are not destroyed. It is possible to make a data pack go dormant if, and only if, the entire content of the memory bank has been deleted and randomized.
All the secret information carried by a ship is held in a special data pack called the Ship's Data Pack, but usually referred to as the 'Last Will'. It is kept locked in the captain's safe when not in use. The captain transfers the information that could conceivably be needed during the upcoming watches to another data pack called the OOD pack (OOD stands for Officer of the Day) that is held by the watch-standing officer. This information includes the code to the captain's safe, in case he is killed or incapacitated. All transactions are logged, though not in detail. I.e. if an officer accesses the code to the captain's safe, this is logged, but the code itself is not.
All the secret information carried by a ship is held in a special data pack called the Ship's Data Pack, but usually referred to as the 'Last Will'. It is kept locked in the captain's safe when not in use. The captain transfers the information that could conceivably be needed during the upcoming watches to another data pack called the OOD pack (OOD stands for Officer of the Day) that is held by the watch-standing officer. This information includes the code to the captain's safe, in case he is killed or incapacitated. All transactions are logged, though not in detail. I.e. if an officer accesses the code to the captain's safe, this is logged, but the code itself is not.