Just my suggestion/guide, note I am only saying Intel because where I am there’s a large amount of ex government/school/company disposal laptops that are Intel. Look for an laptop with at least 4 gb ram. The more ram the better, like 8gb. You definitely won’t need alot of ram for internet and email but more allows it to be stable. For CPU Intel then a i5 would be okay. An i7 that’s a few years old would be great. If newer an i3 is fine but I personally think older i3s are a bit slow. For hard drive you need only a small hard drive like 200 gb, you can use external usbs later. If possible get a solid state drive ssd any size for the speed
But we already had the Concorde… It stopped flying due to fuel costs and limited flight paths only allowed over oceans, no super sonic flying over land. Hopefully NASA has fixed these issues…