Photo: J-20 formation take-off with JF-17 Posted on August 27, 2011August 27, 2011 by alert5 Related posts (Automatically Generated): Photo: August 1st formation take-off in Zhuhai Formation flight system keeps C-17s in line NGC demonstrates close formation flight for KQ-X F-35Bs accomplish formation test Black Hawk carries out autonomous formation flying RAF’s XIII Squadron ceased flying with dagger formation