Lindley Johnson is NASA's first-ever Planetary Defense Officer. He previously held the title of Near Earth Object Programs Executive in the Planetary Sciences Division. Lindley was also formerly the Program Executive at NASA Headquarters for the EPOXI mission.
Latest Planetary Radio Appearance
02/22/2017 | 1:38:52
Leaders of the quest to find, understand and protect ourselves from the asteroids and comets called Near Earth Objects gathered with host Mat Kaplan for a live conversation about this existential threat from space.