Last November David O'Neill, Lee Sturgis, Peter Gelderloos and Abi Miller were arrested at a protest against the Western Hemisphere Institute for Security Cooperation, also known as the School of the Americas.
Each were found guilty of trespassing and have been sentenced.
David O'neil and Lee Sturgis will both receive six-months probation and pay a $500-fine. Abi Miller will spend three-months in a federal prison and pay a $500-fine. Peter Gelderloos will spend six-months in a federal prison.