As the geopolitical, technological, and budgetary environments change, the question of whether aircraft carriers will still be needed, and if so of what kind and how many, becomes urgent. The best way to approach it is in terms of how they are actually used and how they could be.
Rubel, Robert C.
"The Future of The Future of Aircraft Carriers,"
Naval War College Review: Vol. 64
, Article 4.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol64/iss4/4