Treatment for Veterans With Military Sexual Trauma

Inclusion Criteria: * Veteran (female or male) from any era with a current diagnosis of PTSD due to MST * Experienced MST no less than 3 months prior to entering the trial * Identify that MST is the trauma that is causing the worst current distress (if other traumas also experienced) * Have at least one clear memory of the trauma (sufficient to write impact statement) * Consent to be randomized into treatment * Not receive other psychotherapy during the 6 weeks of active treatment * (if on psychoactive medications) if new antidepressant, be on stable medication regimen for a minimum of 6 weeks prior to entering the trial (if recent changes to antidepressant dosage or additions or changes of antipsychotic or anti-anxiety medication, eligible immediately) Exclusion Criteria: * Current substance dependence * Prior substance dependence that has not been in remission for at least 3 months * Any current psychotic symptoms * Current mania or unstable Bipolar Disorder * Prominent current suicidal or homicidal features * Any severe cognitive impairment or history of Organic Mental Disorder * Current involvement in a violent relationship