I helped caulk windows and paint a couple of houses in Homestead, FL a year after Hurricane Andrew in 1992 (many years before I became a Delta). It was part of some of the community projects I participated in as a member of the National Honor Society in high school.
Hurricane Andrew was an experience I will never forget. Some students from other schools had to come to my school and the rooms were overcrowded (55+). The local students volunteered their seats for the other students who had no school and/or home.
I LOVE Habitat for Humanity - it was tiring (many hours), but it was SO much fun helping out!