With the USAF leaving Rabat-Sal Ã in the 1960s , the facility became a primary facility for the Royal Moroccan Air Force known as Air Base NÂ 1 , a status it continues to hold . With the USAF withdrawal from Rabat-Sal Ã in the 1960s , the facility became a primary facility for the Royal Moroccan Air Force known as Air Base NÂ 1 , a status it continues to hold .