What is the balloon flying above Colorado?

Mystery solved: Object seen floating in Portland skies was atmospheric research balloon

RAW: Large balloon flying above Colorado

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

Oregon company flies huge high-altitude balloons for aerospace research

Experts weigh in on warning of repercussions from China after U.S. takes down spy balloon

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

US Pentagon chief speaks with Chinese counterpart for first time since November 2022

President Biden holds news conference after meeting with Chinese President Xi Jinping