16-year-old boy becomes licensed hot-air balloon pilot
By Nicole Tam Click here for updates on this story INDIANOLA, Iowa (KCCI) -- A 16-year-old Indianola native is a licensed hot ...
来自MSN9 个月
Chinese scientists detect ‘spy balloon’ as small as F-35 stealth fighter on radar
Despite the US military struggling to detect a balloon in its airspace, Chinese scientists have a simple method using common weather radar. While the US military struggles to detect spy balloons ...