SAUDIS BYING 100 F16s 60

I WISH TO KNOW WHEN ARE THE sAUDI AIRFORCES GOING TO BUY THE F16s. WE ALL KNOW THAT THE ORDER IS COMING BUT WHEN.RECENTLY THE SAUDI ORDERED WEAPOND SYSTEMS ONLY USED FOR F16 FALCONS, WHICH AT THE MOMENT THEY DO NOT HAVE. MEANING THEY ARE GETTING READY TO ORDER ….. WHAT ARE YOUR IDEAS…………….