Barratt was assigned to the Expedition 19 crew in February 2008 and launched to the International Space Station in March 2009 aboard Soyuz TMA-14.
His stay aboard the ISS continued through until the end of Expedition 20 in October 2009.

During Expedition 20 Barratt performed and EVA and IVA together with Gennady Padalka.
The first EVA, on 5 June 2009 lasted for 4 hours and 54 minutes, Prepared the Zvezda service module transfer compartment for the arrival of the Poisk module, installed docking antenna for the module, photographed antenna for evaluation on the ground, and photographed the Strela-2 crane.

The second was an internal spacewalk in the depressurised Zvezda transfer compartment, to replace one of the Zvezda hatches with a docking cone, in preparation for the docking of the Poisk module later in 2009.
This spacewalk lasted 12 minutes.

Barratt returned to Earth on October 11, 2009 after spending 198 days, 16 hours and 42 minutes in space, on Soyuz TMA-14 along with Padalka and space tourist Guy Laliberté.
Barratt was assigned to the Expedition 19 crew in February 2008 and launched to the International Space Station in March 2009 aboard Soyuz TMA-14. His stay aboard the ISS continued through until the end of Expedition 20 in October 2009.
During Expedition 20 Barratt performed and EVA and IVA together with Gennady Padalka. The first EVA, on 5 June 2009 lasted for 4 hours and 54 minutes, Prepared the Zvezda service module transfer compartment for the arrival of the Poisk module, installed docking antenna for the module, photographed antenna for evaluation on the ground, and photographed the Strela-2 crane.
The second was an internal spacewalk in the depressurised Zvezda transfer compartment, to replace one of the Zvezda hatches with a docking cone, in preparation for the docking of the Poisk module later in 2009. This spacewalk lasted 12 minutes.
Barratt returned to Earth on October 11, 2009 after spending 198 days, 16 hours and 42 minutes in space, on Soyuz TMA-14 along with Padalka and space tourist Guy Laliberté.
Michael Barratt (astronaut)