 Also, it is specialized for rapidly detecting small, fast moving targets at all altitudes and small surface targets in severe clutter.Sea Giraffe AMB is installed on the Republic of Singapore Navy's upgraded "Victory"-class corvette and US Navy's of Littoral Combat Ships, and has the designation AN/SPS 77 V(1) for LCS 2 and 4, and AN/SPS 77 V(2) for LCS 6 and higher.It has also been chosen for the Royal Canadian Navy's new "Protecteur"-class Joint Support Ships.