"You'll do. Both of you be on hand for chow at regular time. Then await instructions." He waved them off.

CHAPTER II

THE WHIR OF WINGS

Shortly after a bugle call the following order was posted in the general mess hall for all concerned to read.

"Members of Bombing Squadron No. - will carry out the following order. 10 a.m., 12 midnight, 2 a.m. are the respective times to start. At each time three machines, each carrying eight 25 pound bombs, will bomb respectively R——-, C———, L———. Secrecy is imperative. Each member of the three squads thus assigned will be ready at Hangars No. -, No. -, No. - at times mentioned above."

Meantime each aviator, with his observer, had been privately notified by the Sergeant in person. This was an every-day operation order and was taken as a matter of course. These night raids are mostly for the purpose of keeping the Boche busy and nervous after hard days and nights in the front trenches, thus supposedly lowering his morale. Usually the points thus selected are the shell-torn villages back of the front, where Fritz has been sent for a brief period of rest before being sent to the front again. About the time he lies down in the half-ruined house that is his billet, and dreams of home and conquering peace, a bomb falls inside. The walls are further shattered, some of his comrades killed or maimed, he perhaps among them. Other bombs fall, heavy explosions result, and Fritz finds that his night's rest is lost in general turmoil. This continues night after night and the damage to German morale is enormous.

From the point of view of the air-service, things are different. These night raids are a matter of course with the pilots. It is part of the regular work.

When Blaine and Erwin climbed into the Bleriot, bombs already stowed, and it was wheeled out in front of the hangar, everything was very quiet. A minute later they were climbing up into the inky darkness at the appointed signal, the only noises being the whirrings of their own and two other two machines appointed for the two A. M. hour.

Watching for the signal of the leader of the squad, at the right time they headed for the further front.

Over the trenches star-shells from the infantry could be seen. Under direction they headed over No-Man's-Land, keeping at sufficient altitude, hugging the darkness, avoiding glints of light, dodging occasional searchlights, and all practically without a word spoken.