>> for dan that normally works with around 200 people it's a chance to help build a home on a much larger scale. >> probably 4,000 or 5,000 volunteers involved. we have tons of military folks helping us. >> god bless you. >> built in about 100 hours. normally we take about six months. and an event at ft. hood honoring patrick and fiancee jessica, dan made a special announcement. >> we have established a ft. hood victims' fund to reach out to all the families affected by this tragedy. feels so good all the time about seeing the lives changed. now we are going to be able to change a lot more. [ male announcer ] nature valley