Yes. They are responsible for enforcing federal court orders, and maintaining court and judicial security.
marshals
No. The responsibility of protecting the U.S. Federal Courts belongs to the United States Marshals Service. U.S. Marshals- Since 1789 The offices of U.S. Marshals and Deputy Marshal were created by the first Congress in the Judiciary Act of 1789, the same legislation that established the Federal judicial system. The Marshals were given extensive authority to support the federal courts within their judicial districts and to carry out all lawful orders issued by judges, Congress, or the president.
If you mean United States District Courts commonly referred to as "federal court", by law it is the U.S. Marshals Service.
U.S. Marshals Service
The United States Marshals Service (USMS) is a US federal law enforcement agency within the United States Department of Justice.
All courts: state (Superior, Municipal and Small Claims; Appellate and State Supreme), Federal Courts (District, Circuit Courts of Appeal, Federal Supreme Courts), and Administrative Courts (Workers Compensation Appeals Board, Social Security, Etc.)
Federal district courts have jurisdiction over trials. Federal appeals courts have jurisdiction over appeals from the federal district courts.
They allow parties to contest the ruling of lower courts. -Apex
Federal district courts have jurisdiction over trials. Federal appeals courts have jurisdiction over appeals from the federal district courts.
To pay for the goods and services the citizens want or need the government to provide. (Security, health, retirement, exploration/science, arts, social, courts/legal, etc., etc.,).
Federal district courts have jurisdiction over trials. Federal appeals courts have jurisdiction over appeals from the federal district courts.
Congress created the Federal Appellate Courts and Federal High Courts.