Queensland Greens Senator Andrew Bartlett has welcomed the decision of a Federal Court Judge in Brisbane today not to jail six Queensland residents who engaged in peaceful protests at the Pine Gap Military Base.

The Federal government and Attorney-General George Brandis tried to escalate their charges using a draconian Cold War era law and urged the Judge to jail the protestors.

"Today marks a failed attempt by the Attorney-General and the Federal government to stifle the Pine Gap protestors' freedom of speech and freedom to express their religious beliefs.