This concept was launched after the company succeeded in building a stealth warship called KRI Klewang.

[11] In the Defense & Security 2015 exhibition which took place from 2–5 November 2015 in Bangkok, Thailand, Lundin again promoted the concept of this tank boat.

[12] A full-scale imitation of the X18 tank boat is shown at the 2016 Indo Defense military exhibition.

[13] Antasena is a Javanese wayang character, the youngest son of Bimasena and another relative of the mother of Antareja and Gatotkaca.

In the consortium, Pindad acts as the lead integrator responsible for providing weapon systems and monitoring specifications according to user requirements.

In addition, the consortium is also joined by Len Industry as a communication system provider, Hariff Daya Tunggal Engineering who is responsible for the Battlefield Management System (BMS), and Lundin Industry Invest as the ship platform provider.

Then on May 22, 2021, the X18 Antasena tank boat ordered by the Ministry of Defense underwent a sea trial from the dock in Banyuwangi to the waters of Paiton, Probolinggo.

[19] Apart from Indonesia, X18 has garnered some interest from Egypt, India, Greece, the Philippines, Russia and the United Arab Emirates.

[6] With a fuel tank capacity of around 6000 liters, the X18 is able to reach destination as far as 600 nautical miles (1,100 km) without refueling.

[6][12] The main weapon system can be used during the day and night and is capable of firing the Cockerill Falarick 105 Gun Launched Anti-Tank Guided Missile (GLATGM) towards targets as far as 5000 meters away.