"We'll be within sight of one another most of the time, Barcroft, old man," said Fuller, as he signed to his observer to take his place in the machine. "Now, Gregory, all ready?"
Fuller's companion, a sparely-built sub-lieutenant, whose long, hooked nose and obliquely placed eyes gave him the appearance of a bird, nodded assent.
"Well, good luck!" shouted Barcroft.
The words were drowned by the roar of the engine, but the lieutenant instinctively realised their meaning. With a cheery wave of his gauntletted hand he started on his long flight.
Thirty-seconds later Barcroft got away, with Kirkwood as his observer. There had been a slight rivalry between Billy and Fuller as to who should take the A.P., for the lieutenant had regarded the latter as his own right-hand man since the night of
