You're actually bang-on, if you intended 'M' to denote thousands[0]. Otherwise the Peacekeeper[1] is the closest I could find to a per-unit cost of $170mm, and

You're actually bang-on, if you intended 'M' to denote thousands[0]. Otherwise the Peacekeeper[1] is the closest I could find to a per-unit cost of $170mm, and that offers ... quite a bit more bang. [0]: https://www.cnbc.com/2022/04/29/how-this-us-made-176000-anti-tank-weapon-could-change-the-war-in-ukraine.html https://www.cnbc.com/2022/04/29/how-this-us-made-176000-anti... [1]: https://en.wikipedia.org/wiki/LGM-118_Peacekeeper https://en.wikipedia.org/wiki/LGM-118_Peacekeeper