Operational history
Attention Required! | Cloudflare
https://eurasiantimes.com/uk-goes-for-the-kill-plans-to-equip-ukraine-with-lethal-anti-ship-missiles/WEST: U.S. Navy Anti-Ship Tomahawk Set for Surface Ships, Subs Starting in 2021 - USNI News
https://web.archive.org/web/20170611002318/https://news.usni.org/2016/02/18/west-u-s-navy-anti-ship-tomahawk-set-for-surface-ships-subs-starting-in-2021Attention Required! | Cloudflare
http://news.usni.org/2016/02/18/west-u-s-navy-anti-ship-tomahawk-set-for-surface-ships-subs-starting-in-2021Wayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_MachineNavy To Begin Arming Subs With Ship-Killer Missile
https://web.archive.org/web/20181224024135/https://breakingdefense.com/2018/12/navy-arms-subs-with-ship-killer-missile-harpoon/Attention Required! | Cloudflare
https://breakingdefense.com/2018/12/navy-arms-subs-with-ship-killer-missile-harpoon/Ukraine to get Harpoon anti-ship missiles from Denmark amid Russian Black Sea blockade
https://www.defensenews.com/pentagon/2022/05/23/ukraine-to-get-harpoon-anti-ship-missiles-from-denmark-amid-russian-black-sea-blockade/Attention Required! | Cloudflare
https://breakingdefense.com/2021/02/theyre-back-us-subs-to-carry-harpoon-ship-killer-missiles/
Development
Boeing backs extended-range Harpoon to stave off Kongsberg threat
https://web.archive.org/web/20160818132002/https://www.flightglobal.com/news/articles/boeing-backs-extended-range-harpoon-to-stave-off-kon-425271/Boeing backs extended-range Harpoon to stave off Kongsberg threat
https://www.flightglobal.com/news/articles/boeing-backs-extended-range-harpoon-to-stave-off-kon-425271/Wayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_MachineBoeing Takes Harpoon Out Of LCS/Frigate Over-the- Horizon Missile Competition
https://web.archive.org/web/20170503002332/https://news.usni.org/2017/05/02/boeing-drops-off-littoral-combat-shipfrigate-horizon-missile-competitionAttention Required! | Cloudflare
https://news.usni.org/2017/05/02/boeing-drops-off-littoral-combat-shipfrigate-horizon-missile-competition