https://spaceref.com/status-report/weather-postpones-fourth-super-pressure-balloon-launch-attempt/
Weather postpones fourth super pressure balloon launch attempt - SpaceRef
May 6, 2016 - Space news and reference site.
super pressure balloonweatherfourthlaunchattempt
https://refractor.io/science/nasas-super-pressure-balloon-glides-past-flight-duration-record/
NASA's Super Pressure Balloon glides past flight duration record
Sep 20, 2024 - NASA Super Pressure Balloon (SPB) is edging closer towards the space agency's goal of 100-day-long flights, coming down to land on Saturday after 46 days in...
super pressure balloonflight durationnasaglidespast
https://spaceref.com/earth/super-pressure-balloon-begins-global-flight/
Super Pressure Balloon Begins Global Flight - SpaceRef
May 18, 2016 - Space news and reference site.
super pressure balloonbeginsglobalflight