H-2B rocket Launch with HTV-2 "Kounotori-2" to the ISS (HD)

[drgentlewolf]

パチパチパチ・・と、とてもjapaneseな反応。

oh!!Yehea!! Hooooooo、と叫ぶNASAのamerican.



[Luisvaldez989]

What causes the high-pitched sound at about 0:52 to 1:05? I also noticed that that high-pitched sound can also be heard in the audio of the H-IIB Flight 1 during ascent.

[btsouthmost]

@Luisvaldez989 it probably going supersonic exceeding the speed of sound

[m565a13]

なんだこの草食系馬鹿男は？日本語もまともに発音できんのか。