In your context, this sounds like a better solution.

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Note added at 8 hrs (2010-03-26 09:09:27 GMT)
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Hey, I just remembered another one that would work here:

'seconded to...' 1,800 hits - examples:

Foreign troops seconded to the United Nations are beholden to Lebanese control, and the Lebanese army may be subject to Hezbollah control. ...
www.usefulwork.com/shark/archives/006834.html - Cached

Early Carolingian warfare: prelude to empire - Google Books Result
Bernard S. Bachrach - 2001 - History - 430 pages
This force definitely included troops from Burgundian territory and troops seconded to the campaign from Italy under the direct command of the Lombard king ...
books.google.com/books?isbn=0812235339...

Special Operations Australia Blog | Site news and updates
Feb 8, 2010 ... A bit of trivia for the boffins – ... an administrative holding unit for Australian army troops seconded to the ISD and later ...
specialoperationsaustralia.com/blog/

Rage of a Demon King - Google Books Result
Raymond E. Feist - 1998 - Fiction - 608 pages
Those of you who have been called in from distant garrisons can expect to have your troops seconded to the Prince's Garrison, under my direct command. ...
books.google.com/books?isbn=0380720884...

Chowk: Law Liberties Justice: A Genocide Begs For Justice
A substantial portion of the Mukti Bahini were Indian BSF troops 'seconded' to the MB. By the way, wasn't there a "Mujib Bahini" or some such name, ...
www.chowk.com/interacts/16768/1/0/200