Babcock installed the main engine on the second type 31 frigate hms active 02:13 Important milestone! Babcock installed the main engine on the second type 31 frigate HMS Active 02:20 Key milestones achieved in Type 31 program Babcock installs main engine on HMS Active 12:42 Type 31, Merah Putih, and Miecznik Frigates, Know the Difference 25:41 Type 26, RCN, RN, RAN ships compared, PART 1 More results