Trump and first lady Melania Trump will arrive in Texas and participate in an aerial tour of the flooding site, which killed at least 120 people and more than 170 remain missing. The president will also participate in a roundtable discussion with first responders and local officials.

Since the July 4 disaster, which has killed at least 120 people, the president and his top aides have focused on the once-in-a-lifetime nature of

Homeland Security Secretary Kristi Noem has been exerting more direct control over the agency, which President Donald Trump has talked about "getting rid of."