However the essentials are unmodified .
The idea was proposed to NASA in 2012 for the yearly NASA NSPIRE competition , which translated to Idaho National Laboratory at the Center for Space Nuclear Research ( CSNR ) in 2013 for studies of feasibility. .
The essentials are unmodified .
The idea was proposed to NASA in 2012 for the yearly NASA NSPIRE competition , which translated to Idaho National Laboratory at the Center for Space Nuclear Research ( CSNR ) in 2013 for studies of feasibility. .