Operation Gladio by the dissolution of the French stay-behind paramilitary movements. Historian Daniele Ganser claims that: Next to the CPC, a second secret army command center, labeled Allied Clandestine Committee (ACC), was set up in 1957 on the orders of NATO's Supreme Allied Commander in Europe (SACEUR). This military structure provided for significant US leverage over the secret stay-behind networks in Western Europe as the SACEUR, throughout NATO's history, has traditionally been a US General who reports to the Pentagon in Washington and is based in NATO's Supreme Headquarters Allied Powers Europe (SHAPE) in Mons, Belgium. The ACC's duties included elaborating on
Supreme Headquarters Allied Powers Europe the flexibility and reach of land forces. The structure incorporated six "NATO Rapid Deployable Corps headquarters." Formed from October 2003, the NATO Rapidly Deployable Corps are designated High Readiness Forces (HRF), designed to be able to react on short notice. Although these forces cannot deploy on five days warning like the NATO Response Force (NRF), they have a longer sustainment capability in combat than the NRF, which is limited to 30 days. The Multinational Corps Northeast headquartered in Szczecin, Poland, was seen along with the downgraded Greek corps, as the third echelon deployable force in the NATO rapid deployment capability.