The Mainichi News Quiz: What is the target speed for Japan's new hypersonic aircraft?

Tomas Kauer - News Writer and Moderator Tomas Kauer - News Writer and Moderator
May 16, 2026 - 15:06
The Mainichi News Quiz: What is the target speed for Japan's new hypersonic aircraft?
How closely have you been following events in Japan? Try The Mainichi News Quiz for May 16 to test your news knowledge. Ready?A Japanese research team
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