Philippines–United States Visiting Forces Agreement
The Philippines–United States Visiting Forces Agreement, sometimes the PH–US Visiting Forces Agreement, is a bilateral visiting forces agreement between the Philippines and the United States consisting of two separate documents. The first of these documents is commonly referred to as "the VFA" or "VFA-1", and the second as "VFA-2" or "the Counterpart Agreement".
Source: Wikipedia — Philippines–United States Visiting Forces Agreement (CC BY-SA 4.0)