The document outlines NASA's nanotechnology program elements and roadmaps. It discusses 3 key areas: nanoelectronics and computing which focuses on molecular electronics, computing architecture and assembly; sensors which covers life detection, crew health and safety, and vehicle health; and structural materials including composites and multifunctional, self-healing materials. The roadmaps show how nanotechnology could enable revolutionary spacecraft and computing technologies, smart compact sensors, advanced miniaturization and microspacecraft through the 2020s.