Coast Guard Petty Officer Scott Ruskan might be the biggest hero we’ve seen in the past 20 years. Ruskan is being hailed as a hero after rescuing 165 flood victims during his very first rescue mission amid the catastrophic flooding that struck central Texas late last week.

Conspiracies and questions are growing over the role of cloud seeding in the deadly Texas flash floods. We break down the science behind its use in the state. NBC News Coast Guard air crews hoisted people from flooded RV rooftops to escape fast-rising floodwaters in Kerrville.