Defense of the Earth itself is Space Job One. https://ia600509.us.archive.org/31/items/20180227-david-l.-goldfein-letter-sc/20180227%20David%20L.%20Goldfein%20

Defense of the Earth itself is Space Job One. https://ia600509.us.archive.org/31/items/20180227-david-l.-goldfein-letter-sc/20180227%20David%20L.%20Goldfein%20letter%20SC.pdf https://ia600509.us.archive.org/31/items/20180227-david-l.-g...