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In the wake of the catastrophic July Fourth floods that barreled through south central Texas, claiming 119 lives and leaving nearly 200 people missing, NASA dispatched two aircraft to aid local recovery efforts and search and rescue operations.
NASA’s high-altitude WB-57 aircraft took off from Ellington Field Joint Reserve Base in Houston on Tuesday, and will conduct aerial surveys using its DyNAMITE (Day/Night Airborne Motion Imager for Terrestrial Environments) sensor.
The sensor will take high-resolution photos of the Guadalupe River and several miles of the surrounding area, which could accelerate emergency response times.

A NASA WB-57 plane will be assessing flood damage and aiding with recovery efforts after catastrophic flooding in Texas. (Raquel Natalicchio/Houston Chronicle via Getty Images)
The agency also sent its Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR), aboard a Gulfstream III, from NASA’s Armstrong Flight Research Center in Edwards, California, on Wednesday to collect observations over the Guadalupe, San Gabriel and Colorado river basins.
UAVSAR, which can spot water through vegetation, will be collecting data through the end of the week.

Workers dig through debris looking for any survivors or remains of people swept up in the flash flooding at Camp Mystic in Hunt, Texas. (Jim Vondruska/Getty Images)
“The team’s goal is to characterize the extent of flooding to help with understanding the amount of damage within communities,” according to the statement.
The disasters program will create maps to analyze the severity of flooding and damage to buildings and infrastructure, which will be shared on the NASA Disasters Mapping Portal as they become available.