Military Interdepartmental Purchase Request
The Military Interdepartmental Purchase Request is a method for transferring funds amongst U.S. military organizations. It allows for multi-organizational cooperative efforts to be performed, rather than limiting funding to a single organization.
MIPR is defined in the US government's Code of Federal Regulations, 48CFR253.208-1, DD Form 448, Military Interdepartmental Purchase Request.
Colloquially, MIPR is pronounced mip-per, and is used both as a noun and as a verb