Bush recess appointment puts panel’s head, eight nominees into place after senator blocks vote.
Action is "not a punitive one," says Defense undersecretary.
Probe aims to determine if procurement executives violated federal conflict-of-interest laws.
Eight additional Air Force deals worth about $3 billion will be scrutinized.
Bush administration, Senate minority leader picks pending.
Labor unions ask Congress top take action to prevent the Pentagon from using base closures to eliminate shipyards.
Air Force acquisition chief says "there are many people now lining up to leave."
Darleen Druyun was sentenced in September to nine months in federal prison for violating conflict of interest laws.
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