EntityQ1371289· pop 18· linked from 41 articlesMark N. BrownSign in to saveformer NASA astronaut and colonel in the USAFConnectionsNASAConceptNASA Astronaut CorpsEntityEarthConceptCaliforniaEntitychessEntityTexasEntityAlabamaEntityOhioEntityMichiganEntityouter spaceEntityfishingEntityastronautEntityorbitEntityengineerEntitySpace ShuttleEntityDaytonEntityUnited States Air ForceEntitycolonelEntityKennedy Space CenterEntityhikingEntityCategories1951 births1989 in spaceflight1991 in spaceflightAir Command and Staff College alumniAir Force Institute of Technology alumniAmerican aerospace engineersAviators from IndianaBLP articles lacking sources from November 2020Businesspeople from Dayton, OhioEngineers from OhioLiving peoplePeople from Valparaiso, Indiana