More than 500 costly new Phoenix missiles designed for the Navy's Tomcat fighter jets sit uselessly stacked in bunkers because of faulty fuses, congressional auditors report. Serious production problems also affect three other Navy missile systems, according to the General Accounting Office, including a component of the anti-radar HARMs used in the U.S. attack on Libya two years ago. The GAO revealed in a March 24 report now made public that in the past three years $500 million of Phoenix AIM-54C missiles, the Navy's most sophisticated, have come off production lines inoperable.