SHIELD Or, billetty Gules, on a pile Sablea dragon urinant of the first detailed Vert breathing flames to base Proper.
From a wreath Or and Gules a demi-mace Argent radiating six lightning bolts Celeste and charged with two sighting lines crosswise of the second encircled by an annulet Sable.
United States Navy sword Proper and a trident saltirewise Or.
A bipartite scroll Azure doubled and inscribed "FOCUSED PRECISION" Or.
The coat of arms as blazoned in full color upon a white disc edged with a gold rope inscribed "USS TORNADO" above and "PC 14" below in blue.
SHIELD Dark blue and gold are the colors traditionally used by the Navy. The black pile suggests the funnel of a tornado and bears a dragon, an awesome mythological beast breathing fire and destruction, symbolizing the ferocity and violence of a tornado. The red billets highlight the confusion and havoc left by the storm.
The mace, a symbol of authority, underscores USS Tornado's law enforcement mission. The lightning bolts represent the ship's modern electronic capabilities; light blue alludes to coastal waters, PC 14's area of operations.
The trident, adapted from the Naval Special Warfare insignia, and crossed with a Navy sword, refers to the ship's mission of providing support for Special Warfare forces.