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Journalists from media organisations all over the world have been assigned to the military including US and British warships, air bases in Kuwait and various infantry, artillery and commando units.

They are known as 'embeds' and their unprecedented access has led to some graphic reports. But, by placing reporters alongside servicemen and women, is the military controlling what we see?

There are also the specially groomed spokesmen - many of them generals, who are delivering regular press conferences from Central Command in Doha, Qatar.

Phillip Knightley

Is the author of The first casualty: The war correspondent as hero and myth maker from Crimea to Kosovo.

He says the war reporter has an easy choice: become part of the military's propaganda machine or quit.

Of course some journalists have been working independently in Iraq but they are at much greater risk - and their movements are often monitored by Iraqi authorities.

During the Vietnam war, he says, the US military accepted war reporters - they even fed them, defended them and transported them.

He claims that as a result the reporters went wherever they wanted - but ultimately lost the war for the US because of the nature of their reports.

Kate Adie

The BBC's Kate Adie covered the Kosovo war

As the BBC's Chief News Correspondent, Kate Adie spent much of her career reporting from the the front line.

She covered the Gulf War in 1991 and conflicts in Bosnia, Kosovo, Armenia, Albania, Rwanda and Sierra Leone.

Kate is of the opinion that propoganda isn't necessarily the same as lying, but is more about influencing opinions.