Signalman 1 & C - Historic Naval Ships Association

In setting a combination, numbers should be usedthat are widely separated by dividing the dial into threeparts and using a number from each third as one of thecombination numbers.To prevent lockout, two people should try a newcombination before closing the container or vaultdoor.The combination of a vault or container will beassigned a security classification equal to the highestcategory of the classified material authorized to bestored in it. Records of combinations shall be sealedin an envelope and kept on file by the securitymanager, duty officer, communications officer, orother persons designated by the commanding officer.KEYSWhen key-operated high-security padlocks areused, keys will be controlled at the level of the highestclassification of material being protected. Thefollowing safeguards will also be used:A key and lock custodian for custody andhandling of keys will be appointed.A key and lock control register that identifieskeys for each lock and where and by whom they are heldwill be maintained.Keys and locks will be audited each month anda written record of each inventory will be made.Keys will be inventoried each time custodychanges.Keys will not be allowed to be removed from thecommand.Keys and spare locks will be stored in a lockedsecurity container.Locks will be changed or rotated at least annuallyand replaced if their keys are lost or subjected tocompromise.Master keying is prohibited.A record for each vault, secure room, or containerused for storing classified material will be maintainedshowing the location of the container, and the names,home addresses, and telephone numbers of personshaving knowledge of the combinations. StandardForm 700 (fig. 11-2) is used for this purpose.SECURING A SECURITY CONTAINERWhen securing a security container, rotate thecombination dial at least four complete turns in thesame direction. In most locks, if the dials are givenonly a quick twist, it is possible to open the lockmerely by turning the dial back in the oppositedirection. Each drawer of the container and filecabinets will be checked to make sure the equipmenthas been secured.REPAIRING SECURITY CONTAINERSLockouts or repair of any damage that affects theintegrity of a security filing cabinet approved forstorage of classified material will only be done byappropriately cleared or continuously escortedpersonnel.A GSA-approved security file cabinet isconsidered to have been restored to its original stateof security if all damage or altered parts are replacedFigure 11-2.—Security Container Information form, Standard Form 700.11-10