Two FA-50PH aircraft (2nd R and 2nd L) are escorted by AS2-11 aircraft during a fly-by for their arrival at Clark Air Base at Angeles city, Pampanga province, north of Manila November 28, 2015. The FA-50 fighter planes are the first of 12 aircraft to be delivered that the Philippines acquired from South Korea under a commercial deal worth 18 billion pesos ($381 million) to boost Manila's maritime security capability, according to local media. REUTERS/Romeo Ranoco