Devices and media for storage of data in connection with firing of explosives and detonators in the nature of blasting equipment internal computer hard drives, external computer hard drives, blank flash drives, computer servers; apparatus and units for storage of computer data in connection with firing of explosives and detonators, namely, computer network-attached storage (NAS) hardware, computer backup and storage systems with multiple removable RAID cartridges, blank tapes for storage of c...