sentences:  It is available in man-portable, vehicle-launched, and helicopter-launched variants.As well as engaging and destroying targets within the line-of-sight of the launcher ("fire-and-forget"), some variants of the missile are capable of making a top attack through a "fire, observe and update" method (essentially lock-on after launch); the operator tracking the target, or switching to another target, optically through the trailing fiber-optic wire (or RF link in the case of the vehicle-mounted, long-range NLOS variant) while the missile is climbing to altitude after launch.This is similar to the lofted trajectory flight profile of the US FGM-148 Javelin.