Share Article . The Navy’s advanced anti-radiation guided missile-extended range (AARGM-ER) completes its first live fire event. Credit: U.S. Navy photo. The US Navy’s advanced anti-radiation guided missile-extended range (AARGM-ER) has secured Milestone C approval. The milestone, which was achieved on 23 August, allows the AARGM-ER programme to enter the first stage of production. According to Naval Air Systems Command (NAVAIR), the US Navy plans to award the first two l...