You're the flight surgeon. Renal colic.
Boyd
James E
JE
Department of Aerospace Medicine, USAF School of Aerospace Medicine, Brooks AFB, TX 78235-5252, USA.
D000328:Adult; D002568:Certification; D003085:Colic / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007674:Kidney Diseases / Q000150:complications / Q000175:diagnosis*; D008297:Male; D008889:Military Personnel; D009325:Nausea / Q000209:etiology; D014839:Vomiting / Q000209:etiology