Increasing Aircraft Carrier Forward Presence: Changing the Length of the Maintenance Cycle
The U.S. Navy's aircraft carriers allow the nation to deter adversaries, bring airpower to bear against opponents, engage friends and allies, and provide humanitarian assistance. However, these powerful and versatile systems need continuous and regularly scheduled maintenance, and their crews require a great deal of training to attain and sustain readiness levels. The length of the carrier's training, readiness, deployment, and maintenance cycle, the type of maintenance needed, and the timing of events within the cycle affect the carrier's availability to meet operational needs. Over the past two decades, the proportion of time in a cycle that a carrier spends deployed has decreased, making it difficult for Navy planners to meet the forward-presence requirements of theater commanders. In future years, as the number of carriers in the fleet fluctuates, this challenge will be compounded. In this study, RAND examines the technical feasibility of different cycle lengths and their effect on the forward presence of Nimitz-class aircraft carriers. The authors assess several one- and two-deployment cycles, assuming a deployment length of six months and a time-between-deployments length equal to twice the duration of the previous deployment. The study also presents an analysis of the impact of different cycles on managing shipyard workloads. Among many findings, RAND concludes that shorter cycles can increase the forward presence of the carrier fleet and help level shipyard workloads. However, these shorter cycles will decrease fleet surge readiness. Longer, two-deployment cycles can increase forward presence, but may result in shipyard workload complications and deferred-work backlogs.
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Recent Changes to the FRP Cycle Length
Hie Impact of Different Cycles on Operational Availability
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24 months 30 days 32 months 6-month deployment 6+1 fleet goal able to deploy aircraft carriers basic training Carrier CycleŚPSNSY carrier fleet carrier is deployed crew current 32-month cycle cycle length CycleŚNNSY deployable within 90 deployment cycles depot availabilities depot maintenance DPIA2 I I W/m/tz-class DPIA1 DPIA3 duration estimates extend past October Fleet Response Plan forward presence George H. W. Bush I I W/m/tz-class PIA1 increase longer cycles Maintenance Availabilities maintenance cycle maintenance period man-days MCO-S meet the 6+1 NAVSEA Nimitz-class carriers NNSY Norfolk Naval Shipyard Northrop Grumman Newport Notional Carrier nuclear Oct Oct Oct one-deployment cycle Operating interval operational availability packages past October 2016 percent PERSTEMPO PIA in San PIA2 PIA2 PIAs and DPIAs PSNSY RAND scheduled six months Supply data provided Total Workload two-deployment cycles U.S. Navy underway days USS Nimitz W/m/tz-class DPIA2 W/m/tz-class PIA2 I I W/m/tz-class WARR file Yokosuka