Delta Force bodyguards providing close protection to General Norman Schwarzkopf during the Persian Gulf War, 1991.
Delta Force are the U.S. Army's counter terrorism specialists.
They also carry out close protection for VIPs.
When guarding a high profile figure like a General in a warzone, their is little need to for low-key protection as might normally be called on.
As can be seen, the body guards are openly carrying weapons.