RE6 Mercenaries, Helena B in High Seas Fortress: Officer Helena's second visit

Gained a bit more knowledge of the map, how to avoid getting blasted by rockets, anticipated which Javos will mutate into suicide-bombers so I can immediately melee them for extra time. Most importantly, it's the TWO EXTRA TIME BONUSES I never knew existed because I never bothered exploring the whole map, including the tiny loop underneath the main deck. This would explain why I had such a difficult time beating this stage at all during my first times playing Mercenaries! Once again it's using Officer Helena. Maybe I should delete the other one with the lower score?