Balloon observation, and instructions on the subject of work in the basket

Name: Balloon observation, and instructions on the subject of work in the basket
Author: United States. War Department. Division of Military Aeronautics

by United States. War Department. Division of Military Aeronautics

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Language: en · 395 downloads on Project Gutenberg

BalloonsAerial observation (Military science)Military reconnaissanceAerial reconnaissanceUG

In: Category: History - Warfare · Category: How To ...

Public-domain ebook sourced from Project Gutenberg #71934.