Sierra and Bolt embedded blanks with  WWII Boeing B-29 Superfortress.

All blanks will come with one COA per blank.
COAs are 4" x 6" card stock with foil COA seal.

The Boeing B-29 Superfortress, commonly known as the Superfortress, is a cornerstone of U.S. Army Air Forces strategic bombing capabilities. Introduced in 1944, this subsonic, four-engine propeller-driven heavy bomber was designed for high-altitude long-range missions, enabling it to deliver massive payloads while evading enemy defenses. Powered by four Wright R-3350 Duplex-Cyclone radial engines, each producing 2,200 horsepower, the B-29 can carry up to 20,000 pounds of bombs. Its range exceeds 3,250 nautical miles, extendable with aerial refueling in later variants, making it a pivotal platform for Pacific theater operations.

The B-29’s effectiveness is achieved through its pressurized cabin, remote-controlled defensive turrets, and advanced Norden bombsight, allowing for precise high-altitude bombing and crew safety. A notable component is the aluminum skin, which provides essential lightweight construction and structural integrity. For instance, a section of aluminum skin from such an aircraft, salvaged after decommissioning and use as a ground target for weapons testing, highlights the material’s critical role in enduring combat and environmental stresses. This skin was later repurposed, reflecting ongoing preservation efforts for historical aircraft parts.

With 3,970 units built, the B-29 remains one of the most advanced bombers of its era. Operated by groups such as the 9th Bomb Group from bases in Guam and Tinian, it has seen combat in World War II, including firebombing campaigns over Japan and the atomic missions, delivering devastating strategic strikes.

These aluminum embedded blanks are crafted from Boeing B-29 Superfortress serial number 42-24791’s aluminum skin, salvaged due to aircraft decommissioning. The material is certified and distributed by Hardin Penworks, LLC, and is guaranteed to be 100% authentic.