Up until recently I thought they were the same thing.
This says differently:
http://www.flightsimbooks.com/f15strikeeagle/04_05_The_Barrel_Roll.php
Any pilots that can shed light on this?
This says differently:
http://www.flightsimbooks.com/f15strikeeagle/04_05_The_Barrel_Roll.php
Any pilots that can shed light on this?