Check the listing for details. Positioning, Navigation & Timing Integrated Mission Delta CHALLENGE COIN. Condition: New. Listed at 8.82 USD. This challenge coin commemorates the Positioning, Navigation & Timing Integrated Mission Delta program. The front of the coin features a stunning design that highlights the program's achievements, while the back provides a detailed description of the coin's purpose and significance. This collectible item is a must-have for science and medicine enthusiasts, as well as those interested in the history of military technology. Crafted with high-quality materials, this coin is a durable and long-lasting addition to any collection. Its size and weight make it easy to display and admire. Whether you're a seasoned collector or just starting out, this challenge coin is an excellent choice for anyone interested in the intersection of science, medicine, and technology.