The 33rd Infantry Regiment was an American unit stationed in the Panama Canal Zone and Caribbean from 1916-56.

[2] "In 1916, when the whole of Europe was engaged in the great war, the United States Congress enacted a law increasing our armed forces.

On [sic] of the results of this act of congress was the organization of the 33d infantry which was formed in the Canal Zone July 6, 1916, and has remained on duty here ever since.

The enlisted personnel of the regiment was originally drawn from the 5th and 10th infantry stationed at Camps Empire and Otis.

During the World War, it guarded Gatun Locks, the dam and spillway, the Monte Lirio and Mindi Bridges, the Chagres River Bridge at Gamboa, the Pedro Miguel and Miraflores locks, pier 18 and the dry dock at Balboa.

Its primary wartime mission was to conduct a mobile defense of the beaches and inland sectors of the Atlantic side of the canal zone.

It was deployed to defensive positions 2 January 1931 to protect the Panama Canal during the Acción Comunal.

It was attached to Headquarters, Pacific Sector on 15 April 1932 upon the inactivation of the Panama Canal Division.

It provided the honor guard and security for President Franklin D. Roosevelt’s brief visit to the Panama Canal Zone in October 1935.

A Silver color metal and enamel device 1+1⁄4 inches (3.2 cm) in height overall consisting of a shield blazoned: Argent, a pile cottised Azure, charged with a sword bayonet fesswise of the field.

Attached below and to the sides of the shield a Silver scroll inscribed “RIDENTES VENIMUS” in Blue letters.