I like the sound of it for a future expansion however! Maybe modifying some of the negatives you take, as bad skills. Things like "Shaky Hands": Over Target you suffer -2 to Hit. "Jittery": You must use 1 ordinance per turn, or suffer 1 Stress.
What do you think?
Here's another, "Mentally Disturbed": The Pilot starts with Level 2 Insanity.