Singapore frigate RSS Tenacious successfully fires Harpoon anti-ship missile

According to a tweet published by Ryan Chan on July 6, 2021, Singapore Navy frigate RSS Tenacious fires a Harpoon anti-ship missile during a coordinated strike in the waters off Guam during Exercise Pacific Griffin 2021.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 RSS Tenacious firing Harpoon anti-ship missile (Picture source: Twitter account of Ryan Chan)

RSS Tenacious (71) is the fourth ship of the Formidable-class stealth frigate of the Republic of Singapore Navy.

The Formidable-class multi-role stealth frigates are the latest surface platforms to enter into service with the Republic of Singapore Navy, and are multi-mission derivatives of the French Navy's La Fayette-class frigate.

The Formidable class have a significantly reduced profile than the La Fayette class and its other derivatives, due to the smaller superstructure and the use of enclosed sensor mast technology. The frigate is also constructed entirely of steel, unlike the La Fayette class which makes extensive use of weight-saving composite structures in its aft superstructure block. The frigates also possess better sea-keeping qualities and are able to stay at sea for longer periods of time.

The frigates are equipped with the Thales Herakles passive electronically scanned array multi-function radar, which provides three-dimensional surveillance for up to 250 km (155.3 mi). The radar provides all-around automatic search and tracking of both air and surface targets, and is integrated with the MBDA Aster air defence system. Utilizing the DCNS Sylver vertical launch system (VLS), each frigate is equipped with 32 cells. It is reported that the frigates have a special surface-to-air missile configuration, combining the Thales Herakles radar with the Sylver A50 launcher and a mix of Aster 15 and 30 missiles.

The frigates are equipped with Boeing Harpoon missiles and Oto Melara 76 mm guns for surface defence. The Harpoon missile has a range of 130 km (70 nmi) and uses active radar guidance. It is armed with a 227 kg (500 lb) warhead.