Prince Harry is being sent to Iraq to help British troops keep the peace in the country.
Prince William's younger brother will be the first senior royal to serve in a conflict for 25 years.
The government has announced that his regiment, the Blues and Royals, will be sent to Iraq in April as part of planned changes to the British troops.
A total of 132 members of the British Armed Forces have died in Iraq since March 2003.
Prince Harry has always said he wants to be treated like any other soldier and not stuck in an office job for safety.
But some people are worried that having a important member of the Royal Family in Iraq could encourage attacks on the Army.
Man in charge
Last month, the prince joined members of his regiment on a training course to prepare soldiers for conditions in Iraq.
The prince, who is third in line to the throne, graduated from Sandhurst Military Academy in April last year.
In October, he also became a troop leader which means he can be in charge of 11 other soldiers and four tanks.