Four U.S. F-22 Raptor fighter aircraft conducted a combined formation flight alongside Republic of Korea F-15K Slam Eagle aircraft and U.S. F-16 Fighting Falcon fighter aircraft to demonstrate the capabilities of the ROK-U.S. Alliance Feb 17, 2016.
![](https://www.aiirsource.com/wp/wp-content/uploads/2016/02/f-22-fighters-fly-over-south-kor-1280x768.jpg)
Four U.S. F-22 Raptor fighter aircraft conducted a combined formation flight alongside Republic of Korea F-15K Slam Eagle aircraft and U.S. F-16 Fighting Falcon fighter aircraft to demonstrate the capabilities of the ROK-U.S. Alliance Feb 17, 2016.