The answer to the crossword question “Grp. with special airport lounges is USO” is United Service Organizations. The USO is a non-profit organization that provides a variety of services and programs to support military personnel and their families. One of the services they offer is special airport lounges for active-duty military members and their families. These lounges provide a comfortable and relaxing place for military personnel to wait for their flights, with amenities such as snacks, drinks, and entertainment. Overall, the USO plays an important role in supporting the well-being and morale of military members and their families.