sentences:  It is most likely that they were flotation devices that provided buoyancy in the event of the aircraft ditching during over-water flights.Watson said that he intended on carrying out further experiments with the No.3 after the end of the war, since he had applied for a commission with the Royal Naval Air Service.According to James Manson, Watson's mechanic and sometimes pilot of the No.3, it was broken up around the time of the outbreak of war in 1914, but based on the "Flight" magazine piece above, Watson retained the machine after he had enrolled into service with the RNAS in 1915.