Leonardo-Finmeccanica's Vulcano weapon system shells will be using the NavFire Precision Positioning Service global positioning system from Rockwell Collins.

"We have customized the NavFire receivers for the particular caliber of the ammunition, and provided full support to the customer during and after the firing trials," said Claude Alber, Rockwell Collins' vice president for Europe, the Middle East and Africa.

"The NavFire GPS includes the Selective Availability Anti-Spoofing Module (SAASM) to allow decryption of precision GPS observations through over-the-air rekeying," Rockwell Collins said. "The positioning information is used by the guidance system of the projectile."

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