A working dwelling fire this afternoon resulted in 2 Firefighters being injured, with one being flown to Boston. According to the Chief, a Firefighter, while making entry, fell through the floor and into the basement. The Firefighter made a mayday call after falling through the burned-out part of the floor. Firefighters were able to access a bulkhead and enter the basement to rescue the Lieutenant. Members removed the Firefighter from the building and taken by Falmouth ambulance to a nearby field where Boston MedFlight was waiting to fly him to Massachusetts General Hospital. The Firefighter has significant multi-system trauma injuries but is stable and is expected to survive. KTIYP’s.