Swedish submarine HMS Uppland returns to duty after upgrades Posted on December 23, 2020 by Naval Open Source Intelligence (NOSI) UPI – A 1990s-era Swedish submarine was relaunched after a 12-month mid-life upgrade. (Thanks to Alain) Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email this to a friend (Opens in new window) Related