... aircraft will have to be shared by the Air Force and the Navy three and one half days each per week except for leap year, when it will be made available to the Marines for the extra day” (Augustine, ... Cataloging-in-Publication DataArena, Mark V. Why has the cost of Navy ships risen? : a macroscopic examination of the trends in U.S. Naval ship costs over the past several decades / Mark V. Arena, Irv Blickstein, ... costs across time, we present two types of data: (1) data on factors that are generic for all ship classes, such as labor cost escalation for the naval shipyards, and (2) other data factors...