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Here are details about a :
Space commemorative cover
or Space Cover.

Kosmodrom / Plats : USA

Stämpeldatum: 28 Déc. 2025
Händelsetyp : Test
Startplatta / Plats : USA Edwards AFB (CA)
Bemannad / Robotisk Mission : Bemannad
Uppdragsmål/Typ : Experimentell / Vetenskap

SCIENCE

ou?/where?: au sol - ground
autographe?: non - none

Beskrivning : The sonic boom is a pollution and nuisance that hits the ground throughout the trajectory of a supersonic plane (broken windows, etc.). The X-59 is a NASA prototype aimed at validating techniques to mitigate this effect.
This was at the time the excuse found by the USA to prohibit the flight over the United States by a supersonic jet, the Concorde.

Nyckelord :
#Flaggor,
#Flyg,

Kommer att presenteras i en framtida Rymdrevy.

Senast ändrad: 11/06/2026 @ 09h10