eight military bases across the country, awaiting resettlement. about half of them are children. cbs' natalie brand tells us one. >> reporter: the ramazani siblings appear the picture of joy, posing for selfies in the universal language of teens. it's difficult to imagine the pain and trauma they left behind in afghanistan. hajar is the oldest of the four, injured by an i.e.d. as a child. their mother was killed during the attack on the kabul airport in late august as they tried to flee. she says the situation was horrible and tries not to remember it. hajar and her siblings, nastran, kausar, and ibadullah, arrived in houston in early september, reunited with extended family in texas, the same airport where their cousin, dave ali, arrived as a refugee at age 13. >> at first, it was not easy for us because i didn't know the culture or the language.