Guidance navigation and control 2015 : proceedings of the 38th Annual AAS Rocky Mountain Section Guidance and Control Conference held January 30 February 4 2015 Breckenridge Colorado Student innovations in guidance navigation and control Roadmaps and future mission concepts Space debris In space propulsion innovations Advances in guidance navigation and control hardware Recent experiences in guidance navigation and control I Low thrust mission planning Advances in guidance navigation and control software Proximity operations Small body proximity operations Recent experiences in guidance navigation and control II Poster session