NASA astronaut Ron Garan gives a keynote address at the Susan G. Komen International Global Women's Cancer Summit, held on World Cancer Day, Monday, February 4, 2013 in Washington, D.C. Attendees include world leaders in health and women’s cancers, experts in technology and innovation; government leaders, private sector and industry leaders, members of the global health community, media and representatives from community-level organizations. Photo Credit: (NASA/Carla Cioffi)