Family members of the US service members killed two years ago in the Abbey Gate bombing during the US withdrawal from Afghanistan demanded accountability and answers from the Biden administration . Parents of several of the killed seated around the table gave personal accounts of who their children were before the suicide bombing on August 2, 2009 . The families demanded that President Joe Biden say their fallen sons and daughters names and accept accountability for the withdrawal . The House Foreign Affairs Committee has held multiple hearings on the Afghanistan withdrawal and McCaul vowed Tuesday to not relent from this investigation . A Pentagon spokesman said in a statement on Tuesday that the Defense Department is forever grateful for the service and sacrifice of the service members . Several parents said they do not think they have learned the full truth of what happened to their sons or daughters . The bombing was the deadliest day for US troops in Afghanistan in roughly a decade in about a decade and that it was necessary to bring this war to an end . A Democratic Rep. Madeleine Dean of Pennsylvania extended her condolences to the families on Tuesday saying it was a tragic terrorist bomb tearing away so many civilians there as well as our service members your loved ones your service members were killed in the tragic bombing was necessary . The Pentagon spokesman Brig. Gen. Pat Ryder said that the bombing was not preventable without degrading the mission to maximize the number of evacuees and the leaders on the ground followed the proper measures and procedures. The Pentagon said in an earlier version of the attack and that the leaders followed the appropriate procedures and procedures . The attack. The attack was not necessarily necessary. We owe them. The bombing. The bombings. The military. was. was not … to be. and that we are committed to our service Members of the [Afghganis.