Service Related Illnesses: Expeditionary Military Service Click on the illnesses below to read more about each. Burn Pit Exposure Exposure to Chemical Smoke, Chemical and Biological Agents Radiation Exposure Malaria Leishmaniasis Brucellosis Q Fever Tuberculosis (TB) Hepatitis B Hepatitis C PTSD Traumatic Brain Injury (TBI) Depression and Anxiety Military Sexual Trauma (MST) Gulf War Illness