The discussion estimates that five carriers in the force generate roughly two available for forward deployment. Sustaining four forward carriers would therefore occupy about ten hulls through the full cycle of maintenance and operations. Within that forward group, three might remain on station while the fourth took a break at a base. Relief matters because continuous flight operations and communication restrictions can leave crews with little respite. The wider assessment is that the United States needs roughly fifteen carriers to provide six active ships and some capacity to surge. Its force of roughly ten is therefore judged too small for its commitments. Nearby allied bases can ease the burden, while their absence makes the shortage harder to manage.
Notable Point · 3:13:34-3:15:21
A ten-carrier fleet facing fifteen-carrier commitments
The estimate of a fifteen-carrier requirement includes maintenance, transit, and relief for crews already deployed, rather than fifteen ships all fighting at once.