Do a search on the following Kamov products
Ka-27 Helix. Shipboard ASW
Ka-29 and Ka-32 Helix. Will carry 16 troops, gear, and armed with UV-16-57 rocket pods.
Kamov has been producing twin coaxial rotor helicopters since the 1950’s.
Pretty cool, not very attractive though, and I saw some wearing the Chinese star, ships of our enemy?