NPR's Michel Martin asks U.S. Coast Guard Air Operations Officer Nathan Shakespeare about his work coordinating rescues in the Texas flood zone from a base in Corpus Christi.

There have been more than 100 deaths following the flash floods in Texas, and dozens more are still unaccounted for. We remember some of those lost in the floods.

Crews continue their search-and-rescue efforts in central Texas, four days after devastating flooding that left more than 100 ...