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PT-305 gets a colorful—and deceptive—paint scheme

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pt-305-new-paint2One of the final touches to the restoration of PT-305 is a fresh coat of paint. But this isn’t just a fresh coat—it is the camouflage pattern applied to PT-305 in November 1944, called “Measure 32 modified.”

During World War II, US Navy ships were rarely painted gray. There were a large and diverse number of camouflage schemes for a number of tactical situations. Generally speaking, camouflage is not intended to make a ship disappear, but rather to make a vessel’s course, speed, and class difficult to determine. For large vessels, the Navy issued specifically designed camouflage patterns. For PT boats, official designs set a general standard but the camouflage patterns of individual boats were ultimately determined by squadron commanders.

“Measure 32 modified” was an experimental pattern intended specifically for making torpedo attacks. The “Thayer blue” on the forward part of the hull made the vessel more difficult to see from a distance at night when approaching a target head-on during the initial stages of a torpedo attack. The color transitions to a “deck blue” on the aft part of the boat to aid in the retreat from a torpedo attack.

Up close, darker blues are more difficult to see, making class and course more difficult to determine. “Deck blue” also reduces visible shadows from concentrated light sources, such as searchlights and star shells, making it more difficult to determine the boat’s location.

pt-305-period-paintThe blue painted on the deck was intended to reduce visibility of the vessel when viewed from aircraft.

In addition to the three shades of blue on the boat, PT-305 also carried aircraft recognition coloration. “Insignia yellow” was painted on the bow, “insignia red” across the stern, and a large red-and-yellow star was painted on top of the radar dome. This was intended to make PT boats in the Mediterranean easily identifiable to Allied aircraft.

More than a year of research using photographs and period documents went into determining the camouflage pattern applied to PT-305. The re-creation of the “Measure 32 modified” applied to PT-305 has restored her unique identity and highlights her combat history.

Read more about PT-305: pt305.org

Watch a video about PT-305’s paint scheme: http://bit.ly/2d1xUjp

Story by Josh Schick, Museum curator.

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