Currently a six-month mission to the ISS requires up to five years of astronaut training.

Now it is our turn again, and he is preparing for a six-month mission on an aircraft carrier.

The French National Assembly appointed 32 lawmakers from right- and left-wing parties to a six-month fact-finding mission to look at ways of restricting its use.

July: Machiavelli is sent on a six-month mission to King Louis XII of France.

Other deployments include two six-month missions in Bosnia: 1994 with the United Nations and 1997 with NATO.

Expedition 11 was a six-month mission to the ISS.

Also in 2009, Robert Thirsk undertook a six-month mission aboard the International Space Station, the first long duration flight by a Canadian astronaut.

About 1,300 American troops, including 160 Special Forces soldiers, completed the six-month mission on Basilan at the end of July.

This despite having completed a six-month mission only the previous August.

But it's a six-month mission with many experiments going on.