At the same time, however, the insurgents were equipped with Soviet-made weaponry, including 37-mm antiaircraft guns, which were to take a toll of the U.S. and French aircraft trying to attack their forces, including with napalm, in an effort to repel them and thus relieve the besieged garrison, which eventually capitulated to Giap's troops on May 7, 1954. In total, the French lost sixty-two aircraft destroyed or severely damaged in the last major battle fought in French Indochina, which, as a colony, was consigned to history with the signing of an agreement in Geneva in July to carve up Vietnam into two countries along the 17th parallel. France, though, was permitted to maintain a small military presence in the new Republic of Vietnam, known to the West as South Vietnam, and the Americans still present were also permitted to remain, servicing the "Armée de l'Air's" contingent of B-26s and C-47s, plus the C-119s. They even packed parachutes for French airborne troops. The Americans left Vietnam eventually on September 6, 1954, albeit five days after the original leaving date promised by the French. Other "Armée de l'Air" units were meanwhile dedicating itself to the training of Vietnamese Air Force (VNAF) technical and flight personnel at Nha-Trang.