World / Sweden / Stockholm / Nynashamn (58°54'35"N   17°56'59"E) Stenstrand (sv) Muskö Naval Base Entrances to underground submarine base (?) نقابة المعلمين (ar) HMS Sokaren What is this? HMS Sleipner A-343 Logistical Support Ship Musko Naval Base Tunnel. Naval Base. Nynäshamns färjeterminal (sv) Głębia Landsort (pl) HI 1