Raven Aerostar's Thunderhead Balloon System sets new Flight Duration Record
Sioux Falls, SD (August 30, 2020) — Raven Industries (NASDAQ: RAVN) is proud to announce that Raven Aerostar’s Thunderhead Balloon System has set a new duration record of 59 days. Flight HBAL0412, launched on July 2 at 9:59 a.m., demonstrated...