印度“极轨卫星运载器”(PSLV)XL型运载火箭8月31日在斯里哈里科塔岛萨迪什·达万航天中心发射了“印度区域导航卫星系统”(IRNSS)的一颗地面备份卫星,即IRNSS-1H,拟用于替换3台星钟已全部报废的IRNSS-1A。但因整流罩未能分离,这次发射以失败告终。本次发射是印度今年的第5次发射,也是PSLV火箭今年第3次飞行。这也是PSLV火箭20年来的首败。该火箭此前已取得了连续36次发射 India’s “Polar Satellite Launch Vehicle” (PSLV) XL launch vehicle launched the “Indian Regional Navigation Satellite System” (IRNSS) on the 31st of August at the Sardish Davan Space Center in Sriharikota, A ground-based backup satellite, IRNSS-1H, intended to replace the IRNSS-1A, which has been completely scrapped for three stars. However, the launch failed due to the failure of the fairing to separate. This launch is India’s fifth launch this year, and is the third flight of the PSLV rockets this year. This is also the first defeat of PSLV rockets in 20 years. The rocket had previously achieved 36 consecutive rounds of launches