sentences:  YT ADS is a development of earlier LS ADS designed to specifically address the shortcomings of the latter, namely, the insufficient armor protection, lack of amphibious capability and radar.Like its predecessor LS ADS, the system is also developed by Norinco.Weaponry of YT ADS is similar to that of earlier LS ADS, with the missile configuration remains the same as that of LS ADS, but additionally, there is an extra 12.7 mm heavy machine gun and 3 smoke grenade dischargers as secondary armament for added protection.