During the RIMPAC exercise, RSS Tenacious successfully test fired her Harpoon missiles.

[6] Singapore, India, and Thailand held a Naval exercise called SIMTEX on 11 October 2019.

[7] RSS Tenacious participated in Exercise Indopura 2021, together with the Indonesian Navy.

The two month long exercise involved numerous assets, including 2 F15SG fighter jets to conduct a joint missile firing together with her sister ship RSS Stalwart.

During the sea phase, RSS Tenacious participated in air defence, gunnery, and anti-submarine warfare drills, together with the multinational task force.