The U.S. Navy will pay about $400,000 a year for maintenance on each
of its Trident II D5 SLBM (sea launched ballistic missiles). Currently, twelve
of the fourteen Ohio class SSBNs carry the Trident II D5 (24 missiles each).
The other two Ohios will get the D5 missiles when the subs are available for
maintenance. The maintenance work includes research and development on new or