BAGHDAD -- Dr. Jill Biden, the wife of Vice President of the United States Joe Biden, met with members of the 4th Stryker Brigade Combat Team, 2nd Infantry Division, and other deployed servicemembers and civilians at Camp Liberty Sunday as part of a visit to Iraq during the 4th of July weekend.Biden made a stop at the brigade headquarters and met briefly with Col. John Norris, the brigade commander, before joining Raider Brigade Soldiers for a 4th of July barbeque celebration."I just want to say what an honor it is to spend the 4th of July with my family," she said, explaining that as the mother of a Soldier, she considers the military her extended family.Biden expressed her appreciation of the deployed Soldiers' hard work and thanked them and their families for their service."I think she's a pretty good role model for females," said Sgt. Nicole Golden, an intelligence analyst with 45th Military Intelligence Company, 4th SBCT, 2nd Infantry Division, who had a chance to meet with Biden. "I appreciate that she took the extra time to take a picture with us."After dining with the troops, Biden was given a walk-through of a few of the capabilities of the Stryker combat vehicle.Sgt. Jed Glover, the vehicle commander, said he was impressed by just how interested Biden was in the capabilities of the vehicle."She clearly took it a little more to heart with her son being in the military," he said. "It's an honor for me to give her a presentation on what do."