Desplegar fuerzas armadas/policiales/armas.

To deploy: to move soldiers or equipment to a place where they can be used when they are needed.
Cambridge Dictionary Online. 

"The decision has been made to deploy extra troops/more powerful weapons."

Cambridge Dictionary Online. 

In News:

"Venezuela deployed its army and police in the wake of Tuesday's announcement of President Hugo Chavez's death."
Global Post.


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