Lawmakers concerned about the mental health treatment for soldiers at Fort Carson are sending their staffers to the post for a fact finding tour.
Representatives of Senators Barack Obama, Barbara Boxer and Kit Bond are set to arrive today.
Several soldiers who served in Iraq have complained that they were denied help or mistreated after they were diagnosed with Post-Traumatic Stress Disorder.
Fort Carson officials say they screen soldiers returning from war and maintain a clinic for anyone who needs help.
The number of soldiers diagnosed with P-T-S-D is climbing. The Army predicts 628 will report the ailment this year, compared with 572 last year and 356 the year before.