Combining the bases in the middle of New Jersey was a way to keep them open after the Defense Department's last round of base closures and realignments.
The idea is to share more services to save costs.
It also means a name change for Dix. The post has been a major wartime mobilization and demobilization center since World War I.
More than 77,000 troops headed for Iraq and Afghanistan since 2001 have passed through there.
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