A pandemic won’t poke holes in plans to see an American on the moon again. Long-term investments, like the hundreds of millions of dollars plugged into research, are one reason to stay on course. But terrestrial priorities are hard to ignore. Diplomacy, particularly when it comes to the International Space Station, national security concerns and federal contracting bureaucracy perversely make astronauts essential workers as they prepare for next Wednesday’s first U.S.-based crew launch in nine years. Private firms like SpaceX and Virgin Galactic point to the contracts to continue operations — which have the added imperative of keeping investors happy.