Conversation so far:
When did Tammy enlist in the military?
Army Reserve Officers' Training Corps as a graduate student at George Washington University in 1990.
Was she ever deployed overseas?
she was deployed to Iraq in 2004.
When did she return from Iraq?
Duckworth received a Purple Heart on December 3 and was promoted to Major on December 21 at the Walter Reed Army Medical Center.
Was she injured in Iraq?
She lost her right leg near the hip and her left leg below the knee from injuries sustained on November 12, 2004.
Was she fitted for prosthetics?
The doctors "reset the bones in her arm and stitched the cuts" to save her arm.

Question: What else should I know about her military service?
Self-contained rewrite: what else should I know about Tammy Duckworth's military service other than Duckworth received a Purple Heart on December 3 and was promoted to Major on December 21 at the Walter Reed Army Medical Center?