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

Kosmodrom / Plats : USA
Stämpeldatum: 10 Fév. 2025 Händelsetyp : Test Startplatta / Plats : USA Mojave (CA) Bemannad / Robotisk Mission : Bemannad Uppdragsmål/Typ : Experimentell / Vetenskap
ou?/where?: au sol - ground
autographe?: non - noneBeskrivning : Boom XB-1 NX990XB: the complete collection of all its flight tests, including the prototype’s last two flights, where it broke the sound barrier and several transonic/supersonic transitions in all directions and at various altitudes.
This is a prototype intended to design a successor to the Concorde! Indeed, the US company BOOM, which includes engineers who worked on the Concorde, is well on its way to building a supersonic commercial jet, called Overture.
The XB-1 prototype has completed its program, so here is one cover per flight; it is therefore a COMPLETE package offered here. Nyckelord : #Flaggor, #Flyg, Kommer att presenteras i en framtida Rymdrevy. Senast ändrad: 20/06/2025 @ 17h27
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USA 3880 L | 59,- |
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