15 August 2021 USS Whidbey Island Takes Part in Mass Casualty Drill for Large Scale Exercise 2021 Sailors assigned to the dock landing ship USS Whidbey Island (LSD 41) hosted a mass casualty drill as part of Large Scale Exercise (LSE) 2021 while pierside at Joint Expeditionary Base Little Creek, Aug. 14-15.The drill, which started with a simulated helicopter crash and resulting casualties, took...