Former President Barack Obama commuted much of her 35-year sentence in January. That means she will not be paid but will be eligible for benefits, including health care, during that time.
The soldier was actually born Bradley Manning, but revealed after being sentenced to prison that she always felt like a woman and wanted to live her life as Chelsea rather than Bradley.
Minutes later, she tweeted a photo of her feet in tennis shoes, with the caption: "First steps of freedom!".
Manning was convicted in 2013 of 20 charges, including six Espionage Act violations, theft and computer fraud, but was acquitted of the most serious charge of aiding the enemy. Trump's comments came after Manning appeared to malign Obama's leadership in a twitter post implying he was not an unapologetic progressive.
Mary Burke, senior production and development executive at the BFI, added: "Tim Travers Hawkins is a visionary British artist and film-maker whose power to find the very heart of a human story amidst faceless towers of control makes us very proud to back his debut feature documentary to ensure Chelsea's story rings out loudly across the world".
Hawkins said he was forced to correspond with Manning through written letters, which helped facilitate the filming process. Army spokeswoman Cynthia Smith said this means Manning can wear her preferred civilian clothing, including women's attire, while on excess leave. Many critics of Chelsea Manning accuse the transgender army private for putting lives of USA military personnel and operations at risk.
Bradley Manning, the USA soldier sentenced to 35 years for leaking secret documents.
The Army said that while Manning is being assigned to Oklahoma's Fort Sill, she doesn't need to report for duty there, meaning she has discretion about where she lives.More news: Ticket alert: Katy Perry tour coming to Miami
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"When the Obama administration was preparing to grant Manning clemency, they drew the distinction that Manning had faced trial, that Manning had expressed some degree of contrition".
Manning's legal team is not releasing any information about her immediate future plans, only saying she will continue to appeal her conviction.
February 23, 2012: Manning declines to enter a plea to 22 charges, including aiding the enemy, at an arraignment at Fort Meade near Baltimore.
Throughout her time in prison, Manning was seen as a hero by some and as a traitor by others.
After being forced to serve her sentence in jail for leaking classified secrets about the US military as a man, the transgender Chelsea Manning, 29-years-old, is finally "ready to be able to live as the woman that she is", as said by her lawyer Nancy Hollander. Central Time. The BBC also cites an unnamed Army representative in reporting she has left the facility.
Arrested in 2010, Manning had been serving in Iraq and was known as Bradley Manning.
U.S. Army soldier Chelsea Manning left a U.S. military prison almost 30 years early Wednesday, after being pardoned by former President Barack Obama in the waning days of his presidency.