<P> Spacecraft attached to the ISS also extend the pressurized volume . At least one Soyuz spacecraft is always docked as a' lifeboat' and is replaced every six months by a new Soyuz as part of crew rotation . </P> <P> The table below shows the sequence in which these components were or will be added to the ISS . The numbers provided are indications and represent launch weight and dimensions . </P> <Table> <Tr> <Th> Element </Th> <Th> Assembly flight </Th> <Th> Launch date </Th> <Th> Launch vehicle </Th> <Th> Length (m) </Th> <Th> Diameter (m) </Th> <Th> Mass (kg) </Th> <Th> Pressurized Volume (m ^ 3) </Th> <Th> Isolated View </Th> <Th> Station View </Th> <Th> Rendering View </Th> </Tr> <Tr> <Td> Zarya (FGB) </Td> <Td> 1A / R </Td> <Td> 1998 - 11 - 20 </Td> <Td> Proton - K </Td> <Td> 12.6 </Td> <Td> 4.1 </Td> <Td> 19,323 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Unity (Node 1), PMA - 1 & PMA - 2 </Td> <Td> 2A </Td> <Td> 1998 - 12 - 04 </Td> <Td> Space Shuttle Endeavour (STS - 88) </Td> <Td> 5.49 </Td> <Td> 4.57 </Td> <Td> 11,612 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Zvezda (Service Module) </Td> <Td> 1R </Td> <Td> 2000 - 07 - 12 </Td> <Td> Proton - K </Td> <Td> 13.1 </Td> <Td> 4.15 </Td> <Td> 19,051 </Td> <Td> 75 </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Z1 Truss & PMA - 3 </Td> <Td> 3A </Td> <Td> 2000 - 10 - 11 </Td> <Td> Space Shuttle Discovery (STS - 92) </Td> <Td> 4.9 (Z1) </Td> <Td> 4.2 (Z1) </Td> <Td> 8,755 (Z1) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> P6 Truss & Solar Arrays </Td> <Td> 4A </Td> <Td> 2000 - 11 - 30 </Td> <Td> Space Shuttle Endeavour (STS - 97) </Td> <Td> 73.2 </Td> <Td> 4.9 </Td> <Td> 15,824 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Destiny (US Laboratory) </Td> <Td> 5A </Td> <Td> 2001 - 02 - 07 </Td> <Td> Space Shuttle Atlantis (STS - 98) </Td> <Td> 8.53 </Td> <Td> 4.27 </Td> <Td> 14,515 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> External Stowage Platform - 1 </Td> <Td> 5A. 1 </Td> <Td> 2001 - 03 - 08 </Td> <Td> Space Shuttle Discovery (STS - 102) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Canadarm2 (SSRMS) </Td> <Td> 6A </Td> <Td> 2001 - 04 - 19 </Td> <Td> Space Shuttle Endeavour (STS - 100) </Td> <Td> 17.6 </Td> <Td> 0.35 </Td> <Td> 4,899 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Quest (Joint Airlock) </Td> <Td> 7A </Td> <Td> 2001 - 07 - 12 </Td> <Td> Space Shuttle Atlantis (STS - 104) </Td> <Td> 5.5 </Td> <Td> </Td> <Td> 6,064 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Pirs (Docking Compartment & Airlock) </Td> <Td> 4R </Td> <Td> 2001 - 09 - 14 </Td> <Td> Soyuz - U (Progress M - SO1) </Td> <Td> 4.91 </Td> <Td> 2.55 </Td> <Td> 3,580 </Td> <Td> 13 </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> S0 Truss </Td> <Td> 8A </Td> <Td> 2002 - 04 - 08 </Td> <Td> Space Shuttle Atlantis (STS - 110) </Td> <Td> 13.4 </Td> <Td> 4.6 </Td> <Td> 13,970 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Mobile Base System </Td> <Td> UF2 </Td> <Td> 2002 - 06 - 05 </Td> <Td> Space Shuttle Endeavour (STS - 111) </Td> <Td> 5.7 </Td> <Td> 2.9 </Td> <Td> 1,450 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> S1 Truss </Td> <Td> 9A </Td> <Td> 2002 - 10 - 07 </Td> <Td> Space Shuttle Atlantis (STS - 112) </Td> <Td> 13.7 </Td> <Td> 4.6 </Td> <Td> 14,120 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> P1 Truss </Td> <Td> 11A </Td> <Td> 2002 - 11 - 23 </Td> <Td> Space Shuttle Endeavour (STS - 113) </Td> <Td> 13.7 </Td> <Td> 4.6 </Td> <Td> 14,000 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> ESP - 2 </Td> <Td> LF1 </Td> <Td> 2005 - 07 - 26 </Td> <Td> Space Shuttle Discovery (STS - 114) </Td> <Td> 3.65 </Td> <Td> 4.9 </Td> <Td> 2,676 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> P3 / P4 Truss & Solar Arrays </Td> <Td> 12A </Td> <Td> 2006 - 09 - 09 </Td> <Td> Space Shuttle Atlantis (STS - 115) </Td> <Td> 13.8 </Td> <Td> 4.9 </Td> <Td> 15,900 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> P5 Truss </Td> <Td> 12A. 1 </Td> <Td> 2006 - 12 - 09 </Td> <Td> Space Shuttle Discovery (STS - 116) </Td> <Td> 3.4 </Td> <Td> 4.6 </Td> <Td> 1,818 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> S3 / S4 Truss & Solar Arrays </Td> <Td> 13A </Td> <Td> 2007 - 06 - 08 </Td> <Td> Space Shuttle Atlantis (STS - 117) </Td> <Td> 13.8 </Td> <Td> 4.9 </Td> <Td> 15,900 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> S5 Truss and ESP - 3 </Td> <Td> 13A. 1 </Td> <Td> 2007 - 08 - 08 </Td> <Td> Space Shuttle Endeavour (STS - 118) </Td> <Td> 13.7 </Td> <Td> 3.9 </Td> <Td> 12,598 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Harmony (Node 2) Relocation of P6 Truss </Td> <Td> 10A </Td> <Td> 2007 - 10 - 23 </Td> <Td> Space Shuttle Discovery (STS - 120) </Td> <Td> 7.2 </Td> <Td> 4.48 </Td> <Td> 14,288 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Columbus (European Laboratory) </Td> <Td> 1E </Td> <Td> 2008 - 02 - 07 </Td> <Td> Space Shuttle Atlantis (STS - 122) </Td> <Td> 7 </Td> <Td> 4.5 </Td> <Td> 12,800 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Dextre (SPDM) Japanese Logistics Module (ELM - PS) </Td> <Td> 1J / A </Td> <Td> 2008 - 03 - 11 </Td> <Td> Space Shuttle Endeavour (STS - 123) </Td> <Td> 3.9 (ELM - PS) </Td> <Td> 4.4 (ELM - PS) </Td> <Td> 4,200 (ELM - PS) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Japanese Pressurized Module (JEM - PM) JEM Robotic Arm (JEM - RMS) </Td> <Td> 1J </Td> <Td> 2008 - 05 - 31 </Td> <Td> Space Shuttle Discovery (STS - 124) </Td> <Td> 11.2 (JEM - PM) </Td> <Td> 4.4 (JEM - PM) </Td> <Td> 15,900 (JEM - PM) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> S6 Truss & Solar Arrays </Td> <Td> 15A </Td> <Td> 2009 - 03 - 15 </Td> <Td> Space Shuttle Discovery (STS - 119) </Td> <Td> 73.2 </Td> <Td> 10.7 </Td> <Td> 15,900 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Japanese Exposed Facility (JEM - EF) </Td> <Td> 2J / A </Td> <Td> 2009 - 07 - 15 </Td> <Td> Space Shuttle Endeavour (STS - 127) </Td> <Td> </Td> <Td> </Td> <Td> 4,100 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Poisk (MRM - 2) </Td> <Td> 5R </Td> <Td> 2009 - 11 - 10 </Td> <Td> Soyuz - U (Progress M - MIM2) </Td> <Td> </Td> <Td> </Td> <Td> 3,670 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> ExPRESS Logistics Carriers 1 & 2 </Td> <Td> ULF3 </Td> <Td> 2009 - 11 - 16 </Td> <Td> Space Shuttle Atlantis (STS - 129) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Cupola & Tranquility (Node 3) </Td> <Td> 20A </Td> <Td> 2010 - 02 - 08 </Td> <Td> Space Shuttle Endeavour (STS - 130) </Td> <Td> 6.5 (Node 3) 1.5 (Cupola) </Td> <Td> 4.25 (Node 3) 2.95 (Cupola) </Td> <Td> 12,247 (Node 3) 1,800 (Cupola) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Rassvet (MRM - 1) </Td> <Td> ULF4 </Td> <Td> 2010 - 05 - 14 </Td> <Td> Space Shuttle Atlantis (STS - 132) </Td> <Td> </Td> <Td> </Td> <Td> 5,075 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Leonardo (PMM) and EXPRESS Logistics Carrier 4 </Td> <Td> ULF5 </Td> <Td> 2011 - 02 - 24 </Td> <Td> Space Shuttle Discovery (STS - 133) </Td> <Td> 6.6 </Td> <Td> 4.57 </Td> <Td> 9,896 (Leonardo) </Td> <Td> 31 </Td> <Td> <P> </P> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Alpha Magnetic Spectrometer, OBSS and EXPRESS Logistics Carrier 3 </Td> <Td> ULF6 </Td> <Td> 2011 - 05 - 16 </Td> <Td> Space Shuttle Endeavour (STS - 134) </Td> <Td> </Td> <Td> </Td> <Td> 6,731 (AMS - 02) </Td> <Td> </Td> <Td> <P> </P> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Bigelow Expandable Activity Module </Td> <Td> </Td> <Td> 2016 - 04 - 08 </Td> <Td> Falcon 9 <P> (SpaceX CRS - 8) </P> </Td> <Td> </Td> <Td> 3.2 </Td> <Td> 1,360 </Td> <Td> 16 </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Nauka (MLM) European Robotic Arm </Td> <Td> 3R </Td> <Td> mid-2018 (scheduled) </Td> <Td> Proton - M </Td> <Td> </Td> <Td> </Td> <Td> 20,300 (Nauka) </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Uzlovoy (UDM) </Td> <Td> </Td> <Td> 2018 (scheduled) </Td> <Td> Soyuz 2.1 b </Td> <Td> </Td> <Td> </Td> <Td> 4,000 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Science - Power Module - 1 </Td> <Td> </Td> <Td> 2019 (scheduled) </Td> <Td> Proton - M </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Science - Power Module - 2 </Td> <Td> </Td> <Td> 2019 (scheduled) </Td> <Td> Proton - M </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> NanoRacks Airlock Module </Td> <Td> </Td> <Td> 2019 (scheduled) </Td> <Td> Falcon 9 <P> (SpaceX CRS - 19) </P> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Element </Th> <Th> Assembly flight </Th> <Th> Launch date </Th> <Th> Launch vehicle </Th> <Th> Length (m) </Th> <Th> Diameter (m) </Th> <Th> Mass (kg) </Th> <Th> Pressurized Volume (m ^ 3) </Th> <Th> Isolated View </Th> <Th> Station View </Th> <Th> Rendering View </Th> </Tr> </Table> <Tr> <Th> Element </Th> <Th> Assembly flight </Th> <Th> Launch date </Th> <Th> Launch vehicle </Th> <Th> Length (m) </Th> <Th> Diameter (m) </Th> <Th> Mass (kg) </Th> <Th> Pressurized Volume (m ^ 3) </Th> <Th> Isolated View </Th> <Th> Station View </Th> <Th> Rendering View </Th> </Tr>

When will the international space station be completed