![[Book #17799] Organization and Operation of Transportation Helicopter Units. Special...](https://groundzerobooksltd.cdn.bibliopolis.com/images/noimage.png?auto=webp)
Organization and Operation of Transportation Helicopter Units. Special Text ST 55-42-1
Fort Eustis, VA: Transportation School, 1954. Revised Edition. Quarto, 78, wraps, illus., figures, appendices, references, glossary, index, covers soiled, title page discolored. More