What is necessary for a unit's SKED and NTCSS to be considered operational?

For a unit's SKED (Scheduled Maintenance System) and NTCSS (Naval Tactical Command Support System) to be considered operational, having valid backups and ensuring the systems are operational is crucial. This ensures that the unit can effectively manage maintenance scheduling and logistics operations without interruption. Valid backups safeguard against data loss or system failures, allowing for rapid recovery and continued functionality. This capability is essential for maintaining readiness and ensuring that all scheduled maintenance, reports, and logistical information are accessible at all times.

The other choices, while they may have their importance within the broader context of operational readiness, do not encapsulate the core requirement for operational status. Regular updates, approval from TYCOM (Type Commander), or the development of systems during training phases are all valuable practices but do not substitute for the fundamental need of having the systems being functional and backed up to support mission-essential operations effectively.