UNSHIELDED • FREE TRANSLATOR.ORG • Definition of Unshielded

... lines. When satisfied that I had gone far enough, I started down. Below the clouds it was almost night, so dark that I could not be sure of my location. In the distance I saw a large building, brilliantly lighted. This was evidence enough that I was a good way from the lines. Unshielded windows were never to be seen near the front. I spiraled slowly down over this building, examining, as well as I could, the ground behind it, and decided to risk a landing. A blind chance and blind luck attended it. In broad day, Drew hit ...

— High Adventure - A Narrative of Air Fighting in France • James Norman Hall