Prof. N.N. Smirnov was elected the Corresponding Member to Russian Academy of Technological Sciences in 1992. He received Shuvalov's prise (1993) for the book "Heterogeneous Combustion". Since 1992 he is a member of the Combustion Institute (Int.), since 2007 President of the Combustion Institute Russian Section. Full member of the Scientific Council of Russian Academy of Sciences on Combustion and Explosion since 1995, in the period 1999-2015 – Vice President of the Council. Member of the Microgravity Science Committee of the International Astronautical Federation since 1995, since 2015 – Committee Chair. Member of the Scientific Council on Ecology of the Russian Space Agency in 1994-1998. Corresponding Member of Russian Academy of Natural Sciences since 1998, academician since 2007. Corresponding Member of International Academy of Astronautics since 2005, Academician – since 2008, Commission 1 Space Physical Sciences Chair (2013-2018). Elected the member of National Committee on Theoretical and Applied Mechanics in 2005. He is/was a member of the board of “Combustion and Flame”, “Acta-Astronautica”, “Shock Waves” and other national and international journals, science foundations, congresses. He was awarded Kapitsa Gold Medal of the Academy of Natural Sciences for the scientific discovery (2007), S.P. Korolev (2007), M.V. Keldysh (2008), G.A.Tyulin (2014) and Yu.A.Gagarin (2015) medals of the Russian Federation of Cosmonautics, V.G. Grabin medal of the Russian Academy for Rocket and Artillery Sciences (2009), Kh.A. Rakhmatulin medal of National Committee on Theoretical and Applied Mechanics (2010), Ministry of Emergency medal (2011), M.T.Kalashnikov medal (2013), A.Ya.Sagomonyan medal (2014), B.E.Gelfand medal of the Combustion Institute Russian Section (2013). Awarded the honor title “Distinguished professor of Moscow M.V.Lomonosov State University” in 2017. Distinguished service Award from the International Astronautical Federation in 2019 for the outstanding contribution to the Microgravity Science and Process Committee for more than 20 years.