For some time seaplanes were in a very experimental stage and at best could only rise from, and alight on, calm water, though it is interesting to note that as far back as 1911 the employment of seaplanes for torpedo attack, which I think will be one of the most important developments of aircraft in the future, engaged the attention of the Navy, and a Sopwith seaplane carrying a 14-inch torpedo made its first flight at Calshot in 1913.