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(Click for frequent words.) 56 Samokutyayev 56 Sergey Volkov 55 Leonov 55 Kornienko 55 Polyakov 55 cosmonauts 54 Salizhan Sharipov 54 Malenchenko 54 Gennady Padalka 53 Romanenko 53 Lonchakov 53 Yuri Lonchakov 53 Oleg Kononenko 52 Skvortsov 52 Borisenko 52 Kaleri 52 Nasa astronaut 52 Mikhail Tyurin 52 engineer Oleg Kotov 52 Padalka 51 Roman Romanenko 51 Suraev 51 Tokarev 51 Yuri Malenchenko 51 Skripochka 51 Yury Malenchenko 51 Yurchikhin 51 Andrey Borisenko 51 Krikalev 51 Gennady 51 Tereshkova 51 Caldwell Dyson Skvortsov 51 Sergei Korolev 51 Alexander Samokutyayev 50 Fincke 50 Sharipov 50 Oleg Kotov 50 Kononenko 50 Roskosmos 50 De Winne 50 Cosmonauts Sergei Volkov 50 ESA astronaut 50 Alexander Skvortsov 50 Flight Engineer Salizhan 50 Krasnov 50 commander Sergei Volkov 49 cosmonaut 49 CDR Padalka 49 commander Leroy Chiao 49 CDR SO 49 Chiao 49 Sergei Volkov 49 cosmonauts Sergei Volkov 49 Commander Leroy Chiao 49 Leroy Chiao 49 Usachev 49 Pirs module 49 Sevastianov 49 Cosmonauts Fyodor Yurchikhin 49 Eugeny 49 unstowed 49 Butov 49 Ryzhov 49 Reshetnikov 49 Alexander Samokutyaev 48 Astronauts Robert Curbeam 48 Mikheev 48 Chamitoff 48 Yury Lonchakov 48 Shilov 48 RSC Energia 48 Foale 48 Yuri Shargin 48 Biomedical Problems 48 spaceflyers 48 Alexander Kaleri 48 Russian cosmonaut Oleg Kotov 48 Savitskaya 48 Budarin 48 Oleg 48 Belousov 48 Boris Morukov 48 Nikolai Moiseyev 48 Zharov 48 Nikolai Budarin 48 Caldwell Dyson 48 Drew Feustel 48 Russian cosmonauts Fyodor Yurchikhin 47 Japan Koichi Wakata 47 agency Rosaviakosmos 47 Obukhov 47 Emelyanov 47 Seleznev 47 Sergei Krikalev 47 Feoktistov 47 Grigoriev 47 Lopez Alegria 47 Soviet cosmonaut 47 Rosaviakosmos 47 Vasiliev 47 Faiz Khaleed 47 astronaut Leroy Chiao 47 Klimov 46 Alexey Sitev 46 airlock module 46 André Kuipers 46 Aleksey 46 Qi Faren 46 Muszaphar 46 Shargin 46 Yershov 46 Yemelyanov 46 Greg Chamitoff 46 Senkevich 46 Gorbunov 46 Jing Haipeng 46 Lopota 46 Alekseyev 46 Bowersox Pettit 46 Govorov 46 Kondrashov 46 engineer Valery Tokarev 46 Zozulya 46 Eyharts 46 Hans Schlegel 46 astronauts Robert Curbeam 46 Michael Foale 46 ISS 46 commander Oleg Kotov 46 Avdeyev 46 Alexei Leonov 46 Puzanov 46 Cosmodrome 46 Russian cosmonauts Andrei Borisenko 46 Gavrilov 45 Dmitry Kondratyev 45 Evgeniy 45 Sergey 45 Koichi Wakata 45 Nadezhda 45 spaceflyer 45 Dan Tani 45 Grigoryev 45 Soviet cosmonauts 45 Shirshov 45 Mikhail Antonov 45 Ron Garan 45 Liu Boming 45 International Space Station 45 spaceflight participant 45 Cosmonaut Salizhan Sharipov 45 Lyndin 45 Sevastyanov 45 engineer Garrett Reisman 45 Khokhlov 45 Zolotukhin 45 Polishchuk 45 Pirs Docking Compartment 45 Ponomareva 45 Rodionov 45 Diego Urbina 45 Rick Linnehan 45 Valery Tokarev 45 Grishina 45 astronaut Tim Kopra 45 Yevgeniy 45 Flight Engineer Suni 45 Pirs docking compartment 45 Maltsev 45 Voronkov 45 Andrei Borisenko 45 Besedin 45 Russian cosmonauts Sergei Volkov 45 Kolmogorov 45 Semyonov 45 Avdeev 45 Oleg V. 45 Karen Nyberg 45 Usov 45 Shenzhou VI 45 Yevgeni 45 #/#-hour spacewalk [001] 45 Komarova 45 Alexander Vorobyov 45 Eliseev 45 Kazantsev 45 Mikhaylov 45 Samokutyaev 45 Renat 45 Mikhail Kornienko 45 Mikalai 45 astronaut Peggy Whitson 45 Moiseev 45 Belyaev 45 Gennadiy 45 Satcher Jr. 45 Serguei 44 Shapoval 44 Mars# 44 Timothy Kopra 44 Kochetkov 44 Antipov 44 Valentina Tereshkova 44 FE SO 44 Maxim Surayev 44 engineer Nicole Stott 44 cosmonaut Valery Tokarev 44 Zvezda module 44 ISS Expedition 44 Velikov 44 Cosmonaut Hotel 44 Bob Curbeam 44 Gritsenko 44 Fyodorov 44 Tryggvason 44 Aleksandrovich 44 Mir Space Station 44 Peggy Whitson 44 Bob Behnken 44 Wakata 44 commander Zhai Zhigang 44 Dmitri Kondratyev 44 Commander Fyodor Yurchikhin 44 Volodin 44 MRM2 44 Vasilyevich 44 Arkhipova 44 Kravtsov 44 Bogomolov 44 Zarya 44 Christer Fuglesang 44 Nikolayevich 44 Dmitriyeva 44 cosmonaut Mikhail Tyurin 44 TsUP 44 Cosmonauts Day 44 TVIS 44 Voronov 44 Grigoriy 44 Zhai Zhigang Liu Boming 44 Paulo Nespoli 44 Cady Coleman 44 Tereshchenko 44 Bob Thirsk 44 Sukhrob Kamolov 44 Canadarm2 robotic arm 44 Space Station 44 aboard Soyuz rocket 44 Svetlov 44 Norman Thagard 44 engineer Oleg Kononenko 44 Demchenko 44 Gennadi 44 Talgat Musabayev 44 Danial Akhmetov Prime Minister 44 Alexei Sitev 44 cosmonaut Pavel Vinogradov 44 Commander Oleg Kotov 44 Yatsenko 44 Shannon Lucid 44 P#/P# [002] 43 Sobolev 43 orbiting lab 43 astronaut Leopold Eyharts 43 Tarakanov 43 astronaut 43 Atlantis crewman 43 Kurbatov 43 Yegorov 43 ISS robotic arm 43 Dominic Gorie 43 Bogachev 43 Alexander Smoleyevsky 43 Tsyganov 43 commander Gennady Padalka 43 Rubtsov 43 Phobos Grunt 43 Tom Marshburn 43 Takao Doi 43 Russian cosmonauts Alexander Skvortsov 43 Cosmonaut 43 Tim Kopra 43 Yefremov 43 Zakharenko 43 NASA astronaut 43 Soyuz 43 Ermakova 43 SSETI Express 43 Valeriy 43 Livshits 43 Ushakov 43 Yurii 43 Shaposhnikov 43 SuitSat 43 Russian Mikhail Tyurin 43 Ronald Garan 43 Fincke Greg Chamitoff 43 Levchenko 43 JSC 43 Sergei 43 Russian cosmonaut Yury Malenchenko 43 Glebov 43 Pam Melroy 43 Georgiy 43 Egorov 43 Pronin 43 Russian cosmonaut Salizhan Sharipov 43 engineer Nikolai Budarin 43 Kibo JPM JEM Pressurized 43 Izotov 43 Orlan suits 43 Shalimov 43 Kiselyov 43 Naumov 43 Kostenko 43 Pisarev 43 CDR Krikalev 43 Tracy Caldwell Dyson 43 Korolev 43 Garan 43 Mikhailovich 43 China homemade Feitian 43 Fei Junlong 43 Frank DeWinne 43 Andrey 43 Simakov 43 Borysenko 43 Kenneth Bowersox 43 Astronaut Sunita Williams 43 Valery Lyndin spokesman 43 Teymuraz 43 Fomichev 43 George Zamka 43 Komarov 43 Academician 43 Bulatov 43 veteran spacewalker 43 Vernadsky 43 Vadim 43 Babkin 43 agency Roskosmos 43 Vasilievich 43 Rykov 43 Dr Sheikh Muszaphar 43 Velev 43 Extra Vehicular Activity 43 docking compartment 43 Gladkov 43 Nastya 43 Russian cosmonaut Alexander Kaleri 43 Anatoli 43 MELFI Minus Eighty 43 Borisovich 43 Astronaut Leroy Chiao 43 Marcos Pontes 43 Yeliseyev 43 Kondratyev 43 Aksenov 43 Talgat 42 Elektron oxygen generator 42 FE Alexander Kaleri 42 Russian Yuri Lonchakov 42 Viatcheslav 42 Ken Bowersox 42 aboard Atlantis 42 commander Peggy Whitson 42 Litvinova 42 Goncharov 42 astronaut Suni Williams 42 Russian Valery Tokarev 42 Suffredini 42 Tyurin 42 Chalyi 42 Mike Fincke 42 Feustel 42 Kosolapov 42 Kolmakov 42 Nie Haisheng 42 Fadeyev 42 Sunita Suni Williams 42 Hoshide 42 Leonid 42 Krasov 42 Malikova 42 Yekaterina 42 Spacewalkers Scott Parazynski 42 Efremov 42 Russian crewmate Salizhan 42 Nikolay 42 Sazonov 42 Gladyshev 42 Konstantin Feoktistov 42 astronaut Sandra Magnus 42 Aleinikov 42 Osipov 42 spacewalking 42 Orbital Module 42 Poisk module 42 Bobrova 42 Kovalevskaya 42 Yuri 42 Kolpakov 42 YES2 42 Biorisk 42 Korotkov 42 Russian cosmonaut Pavel Vinogradov 42 Stolyarov 42 Akimov 42 Russian cosmonaut Yuri Malenchenko 42 Fyodor Yurchikhin 42 Andreyevich 42 Ershov 42 Bazhenova 42 Simonenko 42 Gerasimov 42 Ioffe Institute 42 Ilizarov 42 Russian Salizhan Sharipov 42 NASA astronaut corps 42 MPLM 42 Zolotov 42 Russian cosmonaut Gennady Padalka 42 Permanent Multipurpose Module PMM 42 Russian cosmonauts 42 Kireev 42 Pavel Vinogradov 42 Commander Gennady Padalka 42 Lidiya 42 Bartenev 42 Barabanov 42 Rogachev 42 Ismagilov 42 Shirshov Institute 42 Russian cosmonaut Valery Tokarev 42 external stowage 42 Zhdanova 42 Deineko 42 Dmitry 42 Ivanchenko 42 commander Sergei Krikalev 42 Russian Orlan 42 Ordzhonikidze 42 Alexey 42 MRM1 42 Konov 42 Likhachev 42 spacesuit 42 Goncharuk 42 Maslennikov 42 Zhuravlev 42 Gorshkova 42 Russian crewmate Yuri 41 Efimov 41 Soloviev 41 Joseph Acaba 41 specialists Robert Curbeam 41 Erokhin 41 Yury 41 Lead spacewalker 41 Vladimirovich 41 Kushnarev 41 Zvezda Service 41 Sandra Magnus 41 Atlantis Undocks From 41 Timofei 41 Zhores Alferov 41 Didenko 41 Flight Engineer Soichi 41 Shuttle Discovery docks 41 Vinogradov 41 Pogodin 41 aboard Soyuz TMA 41 SSRMS Space Station 41 Suni Williams 41 Anatoli Perminov 41 Russian cosmonaut 41 Canadian Julie Payette 41 Sedykh 41 Col. Yang Liwei 41 Malkov 41 Kent Rominger 41 Ponomarev 41 Satoshi Furukawa 41 Elizaveta 41 Fuglesang 41 Daniel Tani hooked 41 LOCAD PTS 41 cosmonaut Fyodor Yurchikhin 41 Yuriy 41 astronaut Shannon Lucid 41 EVAs 41 Zaporozhets 41 Kolesov 41 Evgenii 41 NASA astronaut Sunita 41 Gubarev 41 Baikonour Cosmodrome 41 Orlan EVA 41 spokesman Igor Panarin 41 Alexeyevich 41 Drozdov 41 Soyuz #S 41 Chiaki Mukai 41 Léopold Eyharts 41 Vinogradova 41 Livanov 41 astronauts Scott Parazynski 41 Oleksandr 41 Astronauts Scott Parazynski 41 Vitaly 41 Suslov 41 Linnehan 41 Soyuz spaceship 41 Bolshakov 41 Vainberg 41 Kvant 41 Sergeyevich 41 Evgeny 41 commander Pavel Vinogradov 41 Yury Gagarin 41 Space Agency 41 Pilot George Zamka 41 Kononova 41 Daniel Tani 41 astronaut Ronald Garan 41 CDR Whitson 41 spacewalk 41 Tishchenko 41 cosmonauts Oleg Kononenko 41 Alexandrov 41 Egorova 41 Panov 41 Asadov 41 STS 41 Yermakov 41 Shenzhou spaceships 41 Volchkova 41 Randy Bresnik 41 Evdokimov 41 astronauts 41 Oleg Skripochka 41 Grunsfeld 41 RKK Energia 41 Russians Fyodor Yurchikhin 41 chief Vladimir Solovyov 41 Dr Faiz Khaleed 41 Kazinform correspondent 41 Melroy 41 Dmitrii 41 Tsiolkovsky 41 Shevtsov 41 Kazakhstan Baikonur cosmodrome 41 shuttle undocks 41 Dmitrij 41 Yegor 41 DC1 Docking Compartment 41 Gulyaev 41 Thomas Marshburn 41 Oxana 41 don spacesuits 41 engineer Salizhan Sharipov 41 Multi Purpose Logistics Module 41 astronaut Rex Walheim 41 Naryshkin 41 Blagov 41 cosmonaut Alexander Kaleri 41 Savov 41 Shayakhmetov 41 Mamoru Mohri 41 Maxim Suraev 41 L. Behnken 41 Polyakova 41 Hristo Hristov 41 astronaut Christer Fuglesang 41 Halyna 41 Foton M3 41 Titarenko 41 Amosov 41 Spirin 41 Curbeam 41 commander Fyodor Yurchikhin 41 Vladimir Komarov 41 Solid Liquid Mixtures 41 Soyuz TMA-#/#S 41 Frederick Sturckow 41 Kokorin 41 Arseny 41 Perminov 40 Selivanov 40 Mikhaylova 40 Sinitsyn 40 ECLSS 40 Gorelov 40 Nickolay 40 Mechel Energo 40 Sizov 40 tourist Charles Simonyi 40 Voskhod 40 Pozdnyakov 40 Rassvet 40 Potapova 40 SRON Netherlands Institute 40 Tischenko 40 ESA astronaut Christer 40 Burov 40 Russian Alexander Kaleri 40 Flight Engineer 40 Evegeny 40 astronaut Andrew Feustel 40 Chernyshev 40 Vsevolod 40 spacesuit gloves 40 Yevgeniya 40 Kolarova 40 engineer Yuri Malenchenko 40 Polikarpov 40 Astronaut Randy Bresnik 40 Progress resupply 40 Sitnikov 40 ISS crewmember 40 astronauts Zhai Zhigang 40 Binary Colloidal Alloy 40 Plesetsk Cosmodrome 40 spacewalk Lopez Alegria 40 Sergei Krikalyov 40 Russian cosmonaut Sergei Volkov 40 Spaceflight Participant 40 Safronova 40 engineer Sandra Magnus 40 Nicole Stott 40 Russian cosmonaut Nikolai Budarin 40 Nigmatulin 40 Nikolaevich 40 Danila 40 Ahmetov 40 Svetlana 40 Yepishin 40 Maksimov 40 Gordeev 40 aboard Skylab 40 Vitaly Davydov deputy 40 Astronaut 40 Komlev 40 Vorobyev 40 Bespalov 40 spacemen 40 SP Korolev 40 Svetlana Savitskaya 40 Shemyakin 40 Rusakov 40 Mikhail 40 Spacewalker 40 astronaut Greg Chamitoff 40 Hubble gyroscopes 40 Gubkin 40 Stanimir 40 Vlasov 40 Filimonov 40 Yasny 40 Atlantis undocks 40 Komissarov 40 Kulkov 40 Makhov 40 Heide Stefanyshyn Piper 40 Quest Airlock 40 Reshetnev 40 Discovery STS 40 Kopra 40 Belova 40 Urnov 40 Smolyaninov 40 Yuri Koptev 40 Swedish astronaut Christer 40 Walheim 40 Kornev 40 Kurochkina 40 Atomenergomash 40 G. Madhavan Nair 40 Russian Yuri Malenchenko 40 ammonia coolant tank 40 unmanned Progress 40 Bazarov 40 ATV Johannes Kepler 40 Rashid Sunyaev 40 Taikonaut 40 Charles Hobaugh 40 Konstantin Tsiolkovsky 40 adventure Chamitoff radioed 40 Viktorovich 40 Soyuz rocket 40 Konovalova 40 Nanotechnologies RUSNANO 40 astronaut Satoshi Furukawa 40 Akihiko Hoshide 40 Apollo Soyuz 40 Anatolii 40 tourist Richard Garriott 40 Sergei Gorbunov spokesman 40 Koshelev 40 Piers Sellers 40 Roberto Vittori 40 Onishenko 40 Yazov 40 Ioffe 40 Vadym 40 Valerii 40 Susan Kilrain 40 ESA GOCE 40 Endeavour STS 40 Soghomonyan 40 Sultanov 40 Tsukruk 40 Gorokhova 40 Trifonov 40 Vugar 40 astronaut Owen Garriott 40 Norm Thagard 40 Evgeniya 40 Chkheidze 40 Tolmachev 40 Korshunov 40 Cosmonaut Mikhail Tyurin 40 Anatolyevich 40 orbital outpost 40 spokesman Valery Lyndin 40 Amangeldy 40 Martynova 40 Alekseev 40 Gnezdilov 40 Elektron O2 generator 40 Yuri Gagarin 40 Itera 40 Khomenko 40 Buryak 40 Cosmonaut Pavel Vinogradov 40 Soyuz TMA spacecraft 39 Tikhomirov 39 Anokhin 39 Balandin 39 defective gyroscope 39 cosmonaut Salizhan Sharipov 39 Kibo robotic arm 39 Soyuz manned spacecraft 39 spacewalkers 39 astronaut Jerry Linenger 39 Bolotov 39 Vitaly Ginzburg 39 Gagarin 39 Endeavour astronauts 39 Arseniy 39 Strukov 39 Lavochkin 39 Andre Kuipers 39 Baikonour 39 Rubinov 39 Shane Kimbrough 39 Soyuz spacecraft docked 39 Khrunichev Space Centre 39 Ivashchenko 39 astronauts Piers Sellers 39 Rudnev 39 Sidorov 39 Loznitsa 39 orbiting outpost 39 Vladimirov 39 taikonaut 39 Dmitry Lvov 39 Charlie Hobaugh 39 astronaut Marcos Pontes 39 Zernov 39 ISS crewmembers 39 redock 39 crewmate astronaut 39 Zinovyev 39 Cosmonaut Valery Tokarev 39 Endeavour astronaut 39 Kosmotras 39 Volna 39 Vladimir Belov 39 Chumakov 39 Tranquility node 39 extravehicular activity EVA 39 Musatov 39 Heidemarie Stefanyshyn Piper 39 Sergei Kalinin 39 Pivovarov 39 ESA Astronaut 39 Filipenko 39 Kuzmenko 39 Mikhailo 39 Astronaut Nicole Stott 39 Radik 39 Navrotsky 39 Astronaut Peggy Whitson 39 seven windowed cupola 39 Urmanov 39 Ilyina 39 Kolesnikov 39 Anzhela 39 Vladlen 39 Russian cosmonauts Gennady Padalka 39 spacewalker 39 Ivanov 39 Ryschkewitsch 39 Zhang Jianqi 39 Governor Alexander Khloponin 39 Soyuz crewmates 39 station Quest airlock 39 Matvey 39 Sorokina 39 Kirk Shireman 39 Fedchenko 39 Russian cosmonauts Alexander Kaleri 39 Danilenko 39 Glushkov 39 astronauts Jing Haipeng 39 Shenzhou VII spacecraft 39 Frank De Winne 39 Logistics Module 39 Moiseenko 39 Laboratory Freezer 39 cosmonaut Yuri Malenchenko 39 Brazilian Marcos Pontes 39 Panteleyev 39 cosmonaut Gennady Padalka 39 astronaut Timothy Kopra 39 Kostusev 39 Maslov 39 Dmitriev 39 Ivanenko 39 duration spaceflight 39 Grigory 39 Savinykh 39 Hajiyev 39 pressurized module 39 Krikalyov 39 undocks 39 microgravity environment 39 Volfson 39 named Rassvet 39 Stoikov 39 Robert Curbeam 39 director Derek Hassmann 39 Utkin 39 Russian cosmonaut Yuri Gagarin 39 Ovcharenko 39 Commander Sergei Volkov 39 Uskov 39 Randolph Bresnik 39 Cosmonauts 39 spacewoman 39 Endeavour undocks 39 Russian Orlan MK 39 module Zvezda 39 Ispat Karmet 39 humanoid robot bound 39 Ivailo 39 engineer Yury Lonchakov 39 Tonev 39 Bochkov 39 Harmony compartment 39 Somov 39 Ilyasov 39 Ustinova 39 Stepanyan 39 Nodari 39 Russian Nikolai Budarin 39 NPO Lavochkin 39 Khramov 39 REGNUM correspondent informs 39 Kozhevnikov 39 TJ Creamer 39 Alexander Vinogradov 39 STTS 39 Cees Dekker 39 Andrianov 39 Pogorelov 39 lunar module pilot 39 Tani 39 Ngo Anh 39 Mikhail Korniyenko 39 Novikova 39 Max Suraev 39 Romanova 39 Robert Satcher 39 Poisk 39 Alexander Goncharov 39 Ulyanov 39 Ilyin 39 Vladimir 39 shuttle Discovery 39 Privalov 39 Space Shuttle Endeavor 39 Russian Orlan spacesuits 39 Boldyrev 39 Elektron 39 Avto 39 Sheikh Muszaphar Shukor 39 Makeyev 39 Solomin 39 Salimov 39 shuttle Discovery STS 39 Pirs 39 Hennadiy 39 Osipovich 39 Astronaut Garrett Reisman 39 Commander Rick Sturckow 39 Jules Verne ATV 39 Veshnyakov 39 Kostyantyn 39 Shenzhou spacecraft 39 Donskoy 39 Goletiani 39 Kiselev 39 Radchenko 39 Bluford Jr. 39 Horanyi 38 Kaledin 38 Zaytsev 38 Sukharev 38 Progress #P 38 Pashkevich 38 Akhalaia 38 ESOC 38 taikonauts 38 Vladimir Remek 38 Sverdlov 38 Yurii A. 38 Satarov 38 Gumilyov 38 Owen Garriott 38 Simonetta Di Pippo 38 Sergei Lebedev 38 A. Cernan 38 Yang Liwei 38 Irina 38 UGMK 38 Chernyshov 38 Spacewalkers 38 W. Haise 38 shuttle Atlantis docked 38 Japanese astronaut Koichi 38 Aksyonov 38 Miguel Lopez Alegria 38 veteran spaceflyer 38 Shenzhou VII 38 Zhdanov 38 Samoilov 38 Samokhvalov 38 Natalia Ivanova 38 Galimov 38 Zolotarev 38 Yeremenko 38 Vesselin 38 Bocharov 38 Joan Higginbotham 38 TsUP Moscow 38 Svetlozar 38 Plotnikov 38 Kostiantyn 38 Pamela Melroy 38 Lvova 38 Lotfi Zadeh 38 enters lunar orbit 38 Surikov 38 Oleksiy 38 Dronov 38 Beridze 38 F. Readdy 38 Scherbakov 38 Sergeyev 38 Vinokurov 38 aboard Soyuz spacecraft 38 Sergey Chemezov 38 Commander Peggy Whitson 38 Governor Eduard Rossel 38 Miroshnichenko 38 Krylov 38 Bakhytzhan 38 Pirs airlock 38 director Holly Ridings 38 Karasev 38 Zhai Zhigang 38 Prudnikov 38 Voltchkov 38 Puchkov 38 Hryshchenko 38 Romanovsky 38 Samuel Ting 38 Demidenko 38 Konstantin 38 Yelizaveta 38 P#/P# truss 38 Butenko 38 Ermak 38 rocket scientist Wernher 38 Glonass K 38 Permanent Multipurpose Module 38 Ivchenko