How Will NASA Test The Next Lunar Lander? (Mighty Eagle Test)- Smarter Every Day 252 - YouTube
March 7, 2021 at 11:34:49 AM PST * - permalink - -

- https://www.youtube.com/watch?v=aw8kRZEvh_s

How Do Nuclear Submarines Make Oxygen?- Smarter Every Day 251 - YouTube
February 26, 2021 at 2:37:18 PM PST * - permalink - -

- https://www.youtube.com/watch?v=g3Ud6mHdhlQ

HOW TO LAND ON THE MOON - Smarter Every Day 250 - YouTube
February 3, 2021 at 4:44:46 PM PST * - permalink - -

- https://www.youtube.com/watch?v=_OXk4RKZhaY

How I Boarded a US NAVY NUCLEAR SUBMARINE in the Arctic (ICEX 2020) - Smarter Every Day 237 - YouTube
August 17, 2020 at 7:05:48 PM PDT - permalink - -

- https://www.youtube.com/watch?v=5d6SEQQbwtU

Crawling Down A Torpedo Tube -US NAVY Nuclear Submarine - Smarter Every Day 241 - YouTube
August 16, 2020 at 9:34:54 AM PDT - permalink - -

- https://www.youtube.com/watch?v=UYEyhB0AGlw