What is that balloon flying over Colorado?

Oregon company flies huge high-altitude balloons for aerospace research

RAW: Large balloon flying above Colorado

What is the balloon flying above Colorado?

What's that object seen flying over Portland? A scientific research balloon

NORAD intercepts high-altitude balloon over Utah, says it doesn't pose any threat

High-altitude balloons helping map, fight wildfires in real time

Oregon aerospace company knows all about great big balloons | The Story | Feb. 9, 2023

What is the white balloon flying north of Denver area?

Alpha 5 Project gets ready to take sky-high leap to raise big money for charity