The film will be the first in a planned trilogy based on Kubrick's script.
Kubrick's script is based on historical events.
The other films in the planned trilogy will expand upon Kubrick’s original story and journey west, as post-war Americans settled the new frontier, delivering on the country’s unbending ambitions and dreams of Manifest Destiny.
“I am indebted to Stanley Kubrick and his visionary films.
It is an honor and a huge responsibility to take on this project, and we’re thankful to his family for their support," says Forster.
"This is a powerful work, an epic story, with its psychological landscape of brother pitted against brother, and friend against friend.