Nearly a week after floodwaters swept away more than a hundred lives, Texas officials are facing heated questions over how much was – or was not – done in the early morning hours of Friday as a wall of water raced down the Guadalupe River.

It could take months for Texas families to experience some form of closure as more than 170 people remain missing nearly one week after deadly July Fourth flooding along the Guadalupe River devastated the sprawling Hill Country.

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.

Flash floods in Central Texas have killed at least 119 people and left dozens more missing as search efforts continue Tuesday.

Businesses large and small also sprang into action to help the community. Grocery chain H-E-B, which started in Kerrville, one of the cities affected by the floods, has been donating food and supplies through the Red Cross. San Antonio-based fast-food chain Whataburger said it would provide meals to first responders.

Lieutenant Governor of Texas Dan Patrick said that least six bodies have been found, including some adults and some children. Some were found in cars, he said