Battle Stations – Documentary (2000) – EP20 – Blackbird Stealth! February 3, 2021 Nicola Battle Stations Documentary Series (2000) Blackbird Stealth! Designed in the 1950s by Kelly Johnson, the SR-71 Blackbird was the world’s first stealthy aircraft, designed to over-fly enemy territory with impunity while photographing 100,000 square miles in an hour.