I think she bumped her head when she was dodging all that intense sniper fire.
Hey, “an emergency corkscrew landing to avoid heavy incoming fire” will do that to you! Why, I remember those times in ‘nam when our P-3 had to make an emergency corkscrew landing, and boy! Did it tear-up the tires and freak us out! Took me YEARS of therapy to recover from PCLST (post corkscrew landing syndrome trauma)!