Based on Publication AIAA-2014-3623Conventional and Bimodal Nuclear Thermal Rocket NTR Artificial Gravity Mars Transfer Vehicle Conceptshttp://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20140017461.pdfby Stanley K. Borowski, David R. McCurdy and Thomas W. PackardNASA Glenn Research Center, Cleveland, OHCREDITS:3D Models and animation © fragomatik 2016 All Rights Reserved.Some assets, images and textures courtesy NASAhttp://nasa3d.arc.nasa.gov/MUSIC:"Eureka" by Huma-Huma, courtesy YouTube audio library