hole to stabilize. florida has had 260 sinkholes reported in the last year. the philippines, the american military taking a major role in typhoon relief. 5,000 u.s. crew members aboard the "uss george washington" are expanding the search and rescue operations as the aircraft carrier serves as a nerve center for relief efforts. we have more as our military goes to work. >> reporter: i spent the afternoon with our marines on an osprey delivering food, water and medical supplies. 700,000 people have been displaced throughout the islands of central philippines. from island to island we made seven stops, even refueling in the air from a kc-130 to save time. time is everyone's concern here. there's so many stranded in the remote islands, six days since the typhoon hit. at the sight and sound of our