The victims: Utah man among the 13 killed at Fort Hood

As the trial of Maj. Maj. Nidal Malik Hasan gets underway, here are the stories of the 13 people who were killed in the Nov. 5, 2009 shooting rampage at Fort Hood, Texas:

Pfc. Aaron Thomas Nemelka, 19, West Jordan, Utah • He joined the Army instead of going on a mission for The Church of Jesus Christ of Latter-day Saints, according to an uncle. He was the youngest of four children in his family and was to be deployed to Afghanistan in January 2010.

Michael Grant Cahill, 62, Cameron, Texas • Cahill was a physician assistant and civilian employee who had returned to work the previous week after suffering a heart attack two weeks earlier. Born in Spokane, Wash., he helped treat soldiers returning from tours of duty or preparing for deployment. He and his wife had been married 37 years.

Maj. Libardo Eduardo Caraveo, 52, Woodbridge, Va. • Originally from Ciudad Juarez, Mexico, he had a doctorate in psychology from the University of Arizona and worked with bilingual special-needs students at Tucson-area schools before entering private practice. He had just arrived at Fort Hood was preparing to deploy to Afghanistan. He was father of three.

Staff Sgt. Justin M. DeCrow, 32, Evans, Ga. •He was helping train soldiers on how to help new veterans with paperwork. He had arrived at Fort Hood in September 2009 after being a stationed for a year in Korea. Married and father of a teenage daughter, he was first stationed at Fort Gordon, Ga., where his wife had hoped he would return when a posting there became open.

Capt. John Gaffaney, 56, San Diego County, Calif. • Gaffaney was a psychiatric nurse for more than 20 years and had arrived at Fort Hood the day before the shooting to prepare for a deployment to Iraq. A native of Williston, N.D., had served in the Navy and later the California National Guard. Married and father to a son, he supervised a team of six social workers at San Diego County's Adult Protective Services department.

Spc. Frederick Greene, 29, Mountain City, Tenn. • Known as "Freddie," he was a combat engineer based at Fort Hood and preparing to deploy to Afghanistan. He was married with two daughters. His family said he exemplified the Army values of loyalty, duty, respect, selfless service, honor, integrity and personal courage.

Spc. Jason Dean Hunt, 22, Frederick, Okla. • Known as J.D., he'd been married for two months. He served 3½ years in the Army including a stint in Iraq. He had re-enlisted in the Army for six years years after serving his initial two-year assignment and previously was stationed at Fort Stewart, Ga.

Sgt. Amy Krueger, 29, Kiel, Wis. • She joined the Army after the 2001 terrorist attacks, had arrived at Fort Hood two days before the shootings and was set for deployment to Afghanistan in December 2009. Her mother said she had vowed to take on Osama bin Laden. Her family described her as highly competitive in sports and with a smile that would light up any room.

Pfc. Michael Pearson, 22, Bolingbrook, Ill. • He quit what he believed was a dead-end furniture company job to join the military about a year earlier. His mother said she spoke with him two days before the shooting and they talked about how he would be home for Christmas the following month. She hadn't seen him for a year while he was in training.

Capt. Russell Seager, 51, Racine, Wis. • Seager joined the Army a few years earlier to help veterans returning to civilian life. He'd worked with soldiers at the Veterans Affairs hospital in Milwaukee who were suffering from post-traumatic stress disorder and also taught classes at Bryant & Stratton College in Milwaukee. Married and with a son, he was at Fort Hood for training in advance of a December deployment to Afghanistan.

Pvt. Francheska Velez, 21, Chicago • Known to her friends as "Cheka," she was pregnant and preparing to return home after deployment to Iraq. She had been back in the U.S. for three days. Velez was planning a lifelong career in the Army, family members said. One of her high school teachers said she hoped to become a psychologist.

Lt. Col. Juanita Warman, 55, Havre De Grace, Md. • Warman was a military physician assistant with two daughters and six grandchildren. She had volunteered with Beyond the Yellow Ribbon, a reintegration program for Maryland National Guard soldiers returning from deployment overseas, providing mental health counseling and helping develop a program about the myths and realities of post-traumatic stress disorder. She was preparing for deployment to Iraq.

Pfc. Kham Xiong, 23, St. Paul, Minn. • Xiong was married and father of three young children. His family has a history of military service and his father, from Laos, fought the Viet Cong with the CIA in 1972. He was among 11 siblings who came to the U.S. as a toddler, grew up in California and then moved to Minnesota. He was preparing to deploy to Afghanistan.