80% of the homes on St. Thomas were destroyed or damaged. Also, 20 to 30% of businesses were destroyed. More than 2,100 federal agency personnel had been sent out to help out with the cleanup from Hurricane Marilyn. Four contracts were quickly accepted for immediate building repairs. Diving teams were sent to check for harbor damage and United States Navy Seabees started working on fixing public buildings. The airport in St. Thomas was open for flight using a mobile control tower. The St. Thomas hospital was open, but was running on generators.