A passenger jet exploded nearly 30 years ago. How families of aircraft disaster victims are treated was forever changed

In the days following the collision of a military helicopter and a passenger jet in Washington, DC, and the crash of a medevac jet in Philadelphia, federal investigators quickly expressed condolences to the families of the victims and partnered with nonprofit groups to provide information and support.

​ In the days following the collision of a military helicopter and a passenger jet in Washington, DC, and the crash of a medevac jet in Philadelphia, federal investigators quickly expressed condolences to the families of the victims and partnered with nonprofit groups to provide information and support. Read More Breaking News, Latest News and Videos | CNN