Two bomb attacks Thursday outside the international airport in Kabul, which killed 13 U.S. service members and numerous civilians, resurrected the trauma of the 20-year war for Afghanistan veterans and their families even as it added victims. Marine Corps Gunnery Sgt. Alan Mcalister, who deployed to Afghanistan in 2010 as a squad leader, said he hadn't heard from one of his best friends serving in Kabul since early Thursday. “We are used to being the ones in combat (while) our family members are back waiting,” Mcalister said. “Now we are getting a taste of what it's like to sit and wait for information to come in, and it's a whole different fear." For some Americans, Thursday's deaths magnified a sense of mission failure as U.S. forces abandon the country to Taliban forces after working for two decades to build a democracy. Rep. Mark Takano, D-Calif., chairman of the House Veterans Affairs Committee, extended condolences to the loved ones of those killed in the attacks. They're “experiencing an unimaginable pain. But they should know that their loved ones saved countless lives in the evacuation efforts,” Takano said. “To all veterans struggling with today’s difficult news: Know that you are not alone and that there are resources available if you need them,” he sai