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

Cosmodrome / Location : USA
Date of Cancellation: Feb. 10, 2025 Event Type : Test Launch Pad / Location : USA Mojave (CA) Manned / Robotic Mission : Manned Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : 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. Keyword(s) : #Aviation, #Flags, This will be featured in a future Space Revue. Last modified: 06/20/2025 @ 17h27
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USA 3880 L | 59,- |
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Page : future · Ref: USA 3880 LSpace Event : Boom XB-1 · test supersonic aircraft
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