Saab's Sea Giraffe AMB is the naval variant of their Giraffe radar with 3D AMB technology. It can detect air and surface targets from the horizon up to a height of at elevations up to 70°, and can simultaneously handle multiple threats approaching from different directions and altitudes, including diving anti-ship missiles. 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. The radar has an instrumented range of 180 kilometres.