When not at war, they are preparing for any situation that might pop up in a war zone.
Mr Obama would be the first to admit that it took a certain audacity for a former community organiser to run against an authentic Republican war hero in 2008, when America was at war on two fronts.
Gordon Brown reacted with nervous laughter followed by the insistence that his wife was very forgiving and he was merely doing his duty by trying to persuade the media at a time when the country was at war and faced a grave economic crisis.
"When they look at the war, they don't consider it a crusade for democracy, " he said.
The world was at war when ENIAC was designed, and the Army could not calculate fast enough the firing tables needed to predict trajectories of weapons used against German forces.
Obama said the election was a defining moment for America, ''a moment when our nation is at war, our economy is in turmoil and the American promise has been threatened once more.
The enthusiastic collaboration among the wider community of 17th Century astronomers, across nations and continents, continuing to exchange astronomical observations even when their countries were at war with one another, is in stark contrast to Flamsteed's relentless withholding.
Heavy on multimedia, the exhibition begins nearly 3, 000 years ago, by at least 776BC, when the Greek empire covered much of Europe and was at war with itself.
It was a reminder, he says, of the time during the war when he looked up at it flying over Westminster.
If, when they were going off to war at our age, our grandparents wanted to remind themselves of their life and family before leaving, they would look at a few framed photographs on the wall.
Offering a Blu-ray media player with its console at a time when the HD format war was in full swing was a pretty gutsy move on Sony's part -- one that paid off as HD DVD fell by the wayside.
Later, after World War II, when critics and curators at last warmed to abstract art, it was Jackson Pollockthey embraced--not the earlier cubists.
Other questions focused on the responsibilities of charities when placing representatives in war zones, Iranian refugees at Camp Ashra Iraq, and first-time buyers.
He said he experimented with pyrotechnic devices and helped organise displays for the local community during World War II, at a time when fireworks were not readily available.
So, will someone please tell me why we still have the continued misinformed and misguided war on banks at a time when bank lending is so much needed to keep the fragile economic recovery going?
It was not until World War I, when British forces were at the gates of Jerusalem, in November, 1917, that the British Foreign Secretary, Arthur Balfour, anxious for Jewish support in the war, issued his epic yet ambiguous Declaration.
United Nations Secretary-General Ban Ki-moon struck a personal note in his opening remarks, as he recalled his childhood as a displaced person at the close of World War II when his mother, like other women enjoyed little help bringing children into the world.
Daoud says he was at a highway checkpoint far away when the soldiers and war planes came.
And although the war officially ended when American combat troops withdrew at the end of 2011, it's far from peace time here.
CNN: War-scarred Baghdad places little faith in U.S. election
Four years ago John Edwards, the former senator from North Carolina, was booed at this convention when he defended his vote for the war in Iraq.
There have been moving history moments, like in 1984, when Francois Mitterrand and Helmut Kohl held hands at a World War I cemetery in Verdun.
Japan and Australia, sponsors of rival grand commissions when a potential nuclear-free window opened at the cold war's end, have joined forces to set up a new one.
"At the time of the Prophet Muhammad, peace be upon him, it was practised widely, especially when men were travelling away from home on business or at war, " he said.
It was only in the last months of the war, when bureaucratic bungling and critical shortages at last began to take their toll, that Japan's output of aircraft and other military equipment dwindled.
That points to the possibility of another special-forces action like the one in which British troops last month arrested one alleged Bosnian Serb war criminal and killed another when he shot at them.
Only a third of those questioned say the government should run a deficit when the country's in recession, with 65 percent saying Washington should balance the budget even when the nation's in a recession and is at war.
The plant was going gangbusters when BAE Systems acquired it at the height of the Iraq war, but the workforce has now dwindled from over 3, 000 personnel to 1, 250, and last month BAE announced it would eliminate 175 more workers in the spring as Army demand shrinks.
FORBES: Threatened Site Sustains Most Of U.S. Combat Vehicle Industry
When he left for war, he kissed his family goodbye at a train station in California.
CNN: WWII slave soldiers reunite after 64 years, prepare for honors
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