The Military Engineering Centre of Excellence (MILENG COE) is an International Military Organisation in accordance with the NATO Paris Protocol, manned and funded by contributions from 16 sponsoring NATO nations. It is accredited by NATO and it is a member of the Centre of Excellence network coordinated by Headquarters Supreme Allied Command for Transformation (ACT) in support of NATO, the COE's sponsoring nations and other customers. A COE is not a part of the formal NATO Command Structure.