Fla. Stat. § 250.38

An action or proceeding may not be prosecuted or maintained against a member of a military court or officer or person acting under its authority or reviewing its proceeding on account of the approval, imposition, or execution of any sentence; the imposition or collection of a fine or penalty; or the execution of any warrant, writ, execution, process, or mandate of any military court. The jurisdiction of the courts and boards established by this chapter is presumed, and the burden of proof rests upon any person seeking to divest such courts or boards of jurisdiction in any action or proceeding.