Union officials say the results are troubling, but agency officials say analysis is informative and helpful.
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Washington group celebrates close ties between the public and private sectors.
Space agency expects to conserve millions with a central administrative center.
Former deputy secretary says House committee chairman's effort to punish the agency for not being responsive to lawmakers' requests for information should be taken seriously.
Ex-DHS Secretary Tom Ridge says his leadership team favored sharing information rather than raising the country's color-coded alert system.
Organizations recommend shifting $40.5 billion to Homeland Security Department budget.
Agency aims to cut managers, open new offices in Las Vegas and Mobile, Ala.