Families of those who died aboard United Airlines Flight 93 are asking lawmakers and Obama administration officials to set aside federal money to complete a 9/11 memorial at the crash site in Pennsylvania.

The dedication of the first phase of the $62 million Flight 93 National Memorial was held in September. The memorial will honor the 40 passengers and crew members who died when the airliner crashed in a field near Shanksville on Sept. 11, 2001. Passengers fought terrorists for control of the hijacked plane that was targeting Washington, D.C.

The meetings were scheduled for Wednesday on Capitol Hill.

Public and private donors have contributed $52 million, but officials say an additional $10 million more is needed to complete the project.