The flight test in the book, the manual that you have, either the NATOP's manual or the tactics manual has all these tables in there. You can say, if I get out and let's say at 80 degrees angle of a dive and I get out at 6,000 feet, I'll still be well clear. A lot of guys would not do that though. But you would, did you train this way before going to Vietnam? Did you know that the high angle attack was better? No. Were you figuring out what you got there? No, I figured it out in Arizona. Okay. And then I think I wrote in here. Is there any compromise when you go