Boeing is looking at a new Harpoon Next Generation anti-ship missile that will have its range double from 67 nm to 134 nm.

By USN [Public domain], via Wikimedia Commons

The upgrade – consists of a more fuel-efficient engine, additional fuel, and a smaller 300-pound class warhead – can be retrofitted by existing customers of Harpoon Block II missiles themselves.

Company officials say the kit is expected to be ready in 2018.

Source: Alert 5