SpacePort America, SpinLaunch's New Mexico test flight facility, is at ~5000' above sea level. If drag is a serious limitation, they could potentially see addit

SpacePort America, SpinLaunch's New Mexico test flight facility, is at ~5000' above sea level. If drag is a serious limitation, they could potentially see additional gains by relocating their launch facilities to a city in e.g. Peru. My understanding is the atmospheric density is about 25% lower above 12K feet compared to sea level and about 15% lower than at 5K feet and there are a handful of places with road networks that go that high