"One hundred (100) RGM-84Q-4 Harpoon Block II Plus (+) Extended Range (ER) Grade B Surface-Launched Missiles, twelve (12) RGM-84L-4 Harpoon Block II Grade B Surface-Launched Missiles, twelve (12) RGM-84Q-4 Harpoon Block II+ ER Grade B Surface-Launched Upgrade Kits, four (4) RTM-84L-4 Harpoon Block II Grade B Exercise Surface-Launched Missiles, and four (4) RTM-84Q-4 Harpoon Block II+ ER Grade B Exercise Surface-Launched Missiles" are valued at $622 million, the first release said on Monday.
The Harpoon is an all-weather, over-the-horizon, anti-ship missile system that provides naval forces with a common missile for air and ship launches. Upgraded extended-range versions of the Harpoon can also be fired from land. The ESSM missile is designed to defend ships against high-speed cruise missiles and low velocity aircraft, according to the US Navy.