On November 11, 2018, the Japanese HTV "Kounotori-7” unmanned supply spacecraft was deorbited. After undocking from the ISS, HTV-7 remained in orbit for several days before conducting a series of de-orbit burns for a destructive re-entry over the Pacific Ocean. During preparations for its destructive reentry and after the deorbit burn but before entry interface (the point at which the discernable atmosphere begins to affect a spacecraft), ground controllers remotely commanded HTV-7 to release the HSRC (HTV Small Re-entry Capsule) capsule at an altitude of 300 km. Because HSRC needs to splashdown in an area where recovery will be easy to accomplish, HTV-7 had the distinction of being the first JAXA Station resupply spacecraft to perform a destructive reentry over the Northwestern Pacific Ocean instead of over the Southern Pacific Ocean spacecraft graveyard that has been used on all six previous HTV missions. The HTV Small Re-entry Capsule (HSRC), a reentry capsule similar in function to the VBK-Raduga carried onboard Progress flights to the Soviet “Mir” space station. It was the first HTV Small Re-entry Capsule (HSRC). Attachments: |