Steps of ISS assembly

On April 20, 2012 Baikonur Cosmodrome saw the launch of the Soyuz-U LV together with Progress M-15M transport cargo vehicle (ISS Mission Program, flight number is 47P), which was docked with ISS on April 22, 2012. The space vehicle delivered to the station more than 2.6 tons of various cargoes that are needed to continue the ISS mission in manned mode and provide living and working conditions for the crew.
On July 23, 2012 cargo space vehicle Progress M-15M was undocked from the ISS for conducting flight tests of the space vehicle-based new radio system of motion parameters mutual measurements Kurs-NA which was designed for space vehicle search, rendezvous and docking to the station.
On July 29, 2012 TCV Progress M-15M using new radio system Kurs-NA repeatedly docked in an automatic mode to the ISS Russian Segment docking compartment-module Pirs.
On July 31, 2012 the Progress M-15M space cargo vehicle was undocked from the ISS once more for conducting of several sessions of geophysical experiment Radar-Progress in free flight. On August 20, 2012 it was de-orbited and brought down to its designated impact area in the Pacific Ocean.

On May 15, 2012 Russian crew transport spacecraft Soyuz TMA-04M was launched by the Soyuz-FG launch vehicle from the Baikonur cosmodrome (the ISS assembly program, flight 30S) and the docking with the station occurred on May 17, 2012. Onboard the Soyuz TMA-04M spacecraft there are three members of the crew of Expedition 31/32 (ISS-31/32), namely Russian cosmonauts Gennady Padalka and Sergei Revin, and U.S. astronaut Joseph Acaba. The launch purpose is the following: to deliver the Expedition 31/32 crew (ISS-31/32) to the ISS; implementation of fundamental, science and applied research, solution of the tasks for technical support of the prime expedition crew flight and maintenance of the station and its systems serviceability as well.
On September 17, 2012, Soyuz TMA-04M undocked from ISS, and on the same day the descent vehicle carrying three ISS-31/32 crew members - Gennagy Padalka, Sergey Revin and Joseph Acaba - returned to Earth.

On May 22, 2012 the launch of the Falcon-9 launch vehicle together with Dragon COTS 2 DEMO transport cargo vehicle developed by the Space-X company was performed at Cape Canaveral Air Force Station in Florida by the personnel of the Space-X company. On May 25, 2012 Dragon transport cargo vehicle was docked with the ISS module Harmony by the dexterious manipulator. The vehicle delivered various cargoes to the Station and returned hardware items to the Earth.
On May 31, 2012 Dragon was undocked from ISS, and on the same day it landed in the area located 740 km to the south-west from Los Angeles.

On July 15, 2012 Russian crew transport spacecraft Soyuz TMA-05M was launched by the Soyuz-FG launch vehicle from the Baikonur cosmodrome (the ISS assembly program, flight 31S) and the docking with the station occurred on July 17, 2012. Onboard the Soyuz TMA-05M spacecraft there are three members of the crew of Expedition 32/33 (ISS-32/33), namely Russian cosmonaut Yuri Malenchenko, U.S. astronaut Sunita Williams and Japan astronaut Akihiko Hoshide. The launch purpose is the following: to deliver the Expedition 32/33 crew (ISS-32/33) to the ISS; implementation of fundamental, science and applied research, solution of the tasks for technical support of the prime expedition crew flight and maintenance of the station and its systems serviceability as well.
On November 19, 2012, Soyuz TMA-05M undocked from ISS, and on the same day the descent vehicle carrying three ISS-32/33 crew members - Yuri Malenchenko, Sunita Williams and Akihiko Hoshide - returned to Earth.

On July 21, 2012 JAXA specialists launched H-2B launch vehicle carrying logistics vehicle HTV3 (Konotori) from Tanegashima launch site, which following a six-day free flight on July 27, 2012 was successfully berthed to the ISS module Harmony using SSRMS. The vehicle delivered more than 5 tons of various cargo to the Station including water, food for astronauts, scientific hardware and five small satellites prepared for launch by NASA and JAXA.
On September 12, 2012 HTV-3 transport cargo vehicle was undocked from ISS, and on September 14, 2012 it was de-orbited and brought down to its designated impact area in the Pacific Ocean.

On August 1, 2012 Baikonur Cosmodrome saw the launch of the Soyuz-U LV together with Progress M-16M transport cargo vehicle (ISS Mission Program, flight number is 48P), which was docked with ISS according to the "fast" scheme on August 2, 2012. The space vehicle delivered to the station more than 2.6 tons of various cargoes that are needed to continue the ISS mission in manned mode and provide living and working conditions for the crew.
On February 9, 2013 the Progress M-16M space cargo vehicle was undocked from the ISS, de-orbited and brought down to its designated impact area in the Pacific Ocean.

On October 8, 2012 the launch of the Falcon-9 launch vehicle together with Dragon CRS1 transport cargo vehicle developed by the Space-X company was performed at Cape Canaveral Air Force Station in Florida by the personnel of the Space-X company. On October 10, 2012 Dragon transport cargo vehicle was docked with the ISS module Harmony by the dexterious manipulator.
The space vehicle delivered to the station about 450 kg of various cargoes including food, clothes for the crew, hardware for scientific experiments and for maintenance of the station systems and returned the results of the experiments conducted onboard the ISS to the Earth.
On October 28, 2012 Dragon was undocked from ISS, and on the same day it landed in the area located 400 km from Californian cost.

On October 23, 2012 Russian crew transport spacecraft Soyuz TMA-06M was launched by the Soyuz-FG launch vehicle from the Baikonur cosmodrome (the ISS assembly program, flight 32S) and the docking with the station occurred on October 25, 2012. Onboard the Soyuz TMA-06M spacecraft there are three members of the crew of Expedition 33/34 (ISS-33/34), namely U.S. astronaut Kevin Ford and Russian cosmonauts Oleg Novitskiy and Evgeny Tarelkin. The launch purpose is the following: to deliver the Expedition 33/34 crew (ISS-33/34) to the ISS; implementation of fundamental, science and applied research, solution of the tasks for technical support of the prime expedition crew flight and maintenance of the station and its systems serviceability as well.
On March 16, 2013, Soyuz TMA-06M undocked from ISS, and on the same day the descent vehicle carrying three ISS-33/34 crew members - Oleg Novitskiy, Evgeny Tarelkin and Kevin Ford - returned to Earth.

On October 31, 2012 Baikonur Cosmodrome saw the launch of the Soyuz-U LV together with Progress M-17M transport cargo vehicle (ISS Mission Program, flight number is 49P), which was docked with ISS according to the "fast" scheme on October 31, 2012. The space vehicle delivered to the station more than 2.6 tons of various cargoes that are needed to continue the ISS mission in manned mode and provide living and working conditions for the crew.
On April 15, 2013 the Progress M-17M space cargo vehicle was undocked from the ISS for conducting of several sessions of geophysical experiment Radar-Progress in free flight. On April 21, 2013 it was de-orbited and brought down to its designated impact area in the Pacific Ocean.

On December 19, 2012 Russian crew transport spacecraft Soyuz TMA-07M was launched by the Soyuz-FG launch vehicle from the Baikonur cosmodrome (the ISS assembly program, flight 33S) and the docking with the station occurred on December 21, 2012. Onboard the Soyuz TMA-07M spacecraft there are three members of the crew of Expedition 34/35 (ISS-34/35), namely Russian cosmonaut Roman Romanenko, canadian astronaut Chris Hadfield and U.S. astronaut Thomas Marshbern. The launch purpose is the following: to deliver the Expedition 34/35 crew (ISS-34/35) to the ISS; implementation of fundamental, science and applied research, solution of the tasks for technical support of the prime expedition crew flight and maintenance of the station and its systems serviceability as well.
On May 14, 2013, Soyuz TMA-07M undocked from ISS, and on the same day the descent vehicle carrying three ISS-34/35 crew members - Roman Romanenko, Thomas Marshburn and Chris Hadfield - returned to Earth.