Military sexual trauma (MST) can cause mental and physical illness in both men and women. It can also influence behavior and the ability to work with others. MST encompasses a range of unwanted sexual attentions ranging from gender harassment to sexual coercion and gang rape. Sexual assaults in the military continue to rise with an 11% increase reported for fiscal year 2009, including a 16% rise in the Afghanistan and Iraq war zones. This paper includes (a) a brief overview of MST; (b) how MST affects female veterans; (c) how MST affects male veterans; (d) the interrelationship of MST, posttraumatic stress disorder (PTSD) and other mental health problems; (e) MST and its effect on quality of life; (j) current effective MST therapeutic treatments; and (g) rehabilitation considerations.