Lindley Johnson, NASA’s Planetary Defense Officer and Program Executive of the Planetary Defense Coordination Office (PDCO), is seen in the audience at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine delivers a keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine delivers a keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine delivers a keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine delivers a keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine watches a short video as part of his keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference
NASA Administrator Jim Bridenstine delivers a keynote speech at the sixth International Academy of Astronautics Planetary Defense Conference, Monday, April 29, 2019 at The Hotel at the University of Maryland in College Park Maryland. The conference brings together experts from around the world to present the latest research on Near-Earth Objects and will highlight the development of the first-ever mission to demonstrate an asteroid defection technique for planetary defense, NASA’s Double Asteroid Redirection Test (DART).  Photo Credit: (NASA/Joel Kowsky)
NASA Administrator at IAA Planetary Defense Conference