Bill would provide $56.7 million for Secure Flight in fiscal 2006.
TSA said it plans to conduct live tests at the end of the year.
Military intelligence unit destroyed information linking hijackers to convicted terrorists before sharing it with federal law enforcement agencies.
More than $500 million of fiscal 2006 budget request targeted to information technology projects.
Subcommittee chairman says Congress may play larger role in overseeing agency's information systems overhaul.
Secure Flight not ready for deployment, critics say.
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