SeaWeb - If readers type in seaweb on the upper left seach box of Submarine Matters they will see several detailed articles (words, diagrams, map) in English on SeaWeb. These are mainly from the US also from Singapore and Japan.
Radar Against Stealth - Presumably China and Russia (Iran?) are working on similar radar concepts as an air/missile defence priority. China and Russia have to face current Western stealth jets (F-35, F-22s and B-2s) while the West may still have 10 years until Russian and Chinese stealth jets become fully operational.