Not all ships within the Navy were engaged in a mission. Taking 1935 for an example, 103 ships out of 273 were under reserves.

Class One Reserves

Can sortie under short notice. Within large scale practices, primarily used as OPFOR.

Class Two Reserves

Minor repairs / small scale remodeling

Class Three Reserves

Under large repairs / large scale remodeling

Class Four Reserves

Just before dismantling

Already retiring!?

Wait!! Don't use me as an example!

I probably won't be able to move.

I'll be able to sortie once I fix this!

Huh? Wait a minute. Are you sure the scotch-tape will hold?

I am sortieing yet!? I can sortie anytime!

The Miyuki Special is ready to go!!

Hurry! Hurry!

Calm down!!

Sortieeee!!

Crew numbers (approximately)