CAPE CANAVERAL, Fla. – NASA managers participate in a live online Ask Me Anything, or AMA, session for reddit.com followers during Orion preflight activities at NASA Kennedy Space Center's News Center in Florida. Participating are Mike Bolger, Ground Systems Development and Operations program manager Mark Geyer, Orion program manager and Todd May, Space Launch System program manager. Discussion topics include Mars and technology. Monitoring the live discussion is Brandi Dean, public affairs specialist from Johnson Space Center in Houston. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. – NASA managers participate in a live online Ask Me Anything, or AMA, session for reddit.com followers during Orion preflight activities at NASA Kennedy Space Center's News Center in Florida. From left, are Mike Bolger, Ground Systems Development and Operations program manager and Mark Geyer, Orion program manager. Across from them, in the plaid shirt is Todd May, Space Launch System program manager. Discussion topics include Mars and technology. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. – NASA managers participate in a live online Ask Me Anything, or AMA, session for reddit.com followers during Orion preflight activities at NASA Kennedy Space Center's News Center in Florida. At left, is Mike Bolger, Ground Systems Development and Operations program manager. Not shown, but also participating were Mark Geyer, Orion program manager, and Todd May, Space Launch System program manager. Discussion topics include Mars and technology. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. – From left, Mike Bolger, Ground Systems Development and Operations program manager and Mark Geyer, Orion program manager, participate in a live online Ask Me Anything, or AMA, session for reddit.com followers during Orion preflight activities at NASA Kennedy Space Center's News Center in Florida. Not shown, but also participating is Todd May, Space Launch System program manager. Discussion topics include Mars and technology. Photo credit: NASA/Frankie Martin

CAPE CANAVERAL, Fla. – NASA managers participate in a live online Ask Me Anything, or AMA, session for reddit.com followers during Orion preflight activities at NASA Kennedy Space Center's News Center in Florida. From left, are Mike Bolger, Ground Systems Development and Operations program manager and Mark Geyer, Orion program manager. Also participating, but not shown in the photo is Todd May, Space Launch System program manager. Discussion topics include Mars and technology. Photo credit: NASA/Frankie Martin