That bottom part is clearly the symbol for infinity. If anybody's balls look like that, they should make an urgent appointment with their doctor.
So, having decoded that much, I think I can I can confidently say that the pilot was intersecting with infinity up there , and sharing the good news with we earthbound folk in mathspeak.
![ZEGH :M](http://www.intensitysquared.com/Smileys/default/M.PNG)
They're gonna have a hard time proving that's a penis, if it matters
![Evil >:D](http://www.intensitysquared.com/Smileys/default/evil.gif)
. Shame on them for corrupting innocent minds.