April 8, 2021 412th Test Wing conducts weapon separation test for Korean F-16 Update Program An F-16 assigned to the 416th Flight Test Squadron flies into position over the Precision Impact Range Area on Edwards Air Force Base, California, Feb. 26. The successful drop test was in support of the Korea F-16 Update Program. The ROKAF currently operates 133 KF-16C/D Block 50/52 fighter