"In their estimation, they believe that if you don't assume command you don't have responsibility there for what goes on, " he said.

CNN: SHARE THIS

In September Williams will assume command of the station's Expedition 33 crew, becoming only the second woman to lead the orbiting outpost.

MSN: High score assured: Astronaut doing triathlon �� from space

This week's despatch of the deputy Chief of Staff of the Israel Defense Forces (IDF) - Maj Gen Moshe Kaplinski - to assume command of operations on the northern front is the clearest signal yet that things have not gone according to plan.

BBC: Man walks past bombed building in Tyre 10 Aug

Stanley McChrystal, a veteran of the military's secretive special-operations community, will assume overall command in Kabul.

WSJ: Gates Says Taliban Have Momentum in Afghanistan

After the war, he became President of Columbia University, then took leave to assume supreme command over the new NATO forces being assembled in 1951.

WHITEHOUSE: Dwight D. Eisenhower