English Version of Katyusha 8 February 1945. Operation Veritable. The British version of the Nebelwerfer or Katyusha, the Land Mattress, range 7,230 meter or 7,910 yards. #WW2 #HISTORY pic.twitter.com/oMnkm7ZxdP— RG Poulussen (@rgpoulussen) March 4, 2020