Some of the 40 engineers on hand that day helped firefighters to attach hoses in the pump rooms.
Soldiers are being sent to help firefighters.
He and Barbecue help civilian firefighters in Chicago.
"I helped out with whatever I could, distributed water, cleaned up, helped officers and firefighters who had inhaled smoke," he said.
Volunteers also helped overworked firefighters, and blood donors were showing up in large numbers.
Pilots who work on farms or who help police and firefighters also might get hurt on their jobs.
In civilian areas, similar exoskeletons could be used to help firefighters and other rescue workers survive dangerous environments.
The site plan, devised in 1984, shows a second water main, which would help firefighters, and a second exit road that were not built, he said.
President Clinton ordered that marines from Camp Pendleton be sent to help firefighters.
On the streets, some people waded in water up to their necks while others others used boats to help firefighters.