Keywords: HH-2D radar test NAN2-83.jpg en A U S Navy Kaman HH-2D Seasprite BuNo 152191 anti-submarine helicopter was tested with an inflateable radome in the early 1970s U S Navy Naval Aviation News February 1983 http //www history navy mil/nan/backissues/1980s/1983/Feb83 pdf USN s 1970 PD-USGov-Military-Navy Kaman HH-2D Seasprite |