sentences:  Rivers changed the focus to be a show about any form of transit, not just aircraft, and the size and cost started to increase.He won an initial appropriation of $3 million for the show, but had to return to Congress for another $2 million to keep it on track as its scale rapidly increased.Critics, notably William Proxmire, attacked the event and claimed that the actual costs would be closer to $10 million when industry input was considered.