Using simple text, maps, and dramatic photographs, this book introduces readers to Mars, relying on the latest scientific findings from NASA and other space agencies. Features include Mars' physical measurements, its geology, atmosphere, gravity, orbit, and climate. Also covered are geographical wonders such as Valles Marineris (the largest canyon in the solar system) and Olympus Mons (the largest volcano), as well as major craters, icy poles, and...

An introduction to the United States Navy that provides information on its history, training, equipment, responsibilities in wartime and peacetime, and other related topics.

Introduces information about unmanned aerial vehicles used by the U.S. armed forces, including how they are used, some of the different models used, and their history. Introduces information about unmanned aerial vehicles, including the uses, models, and history.

The USMC is both a part of the US Navy and a separate branch of America's armed forces. This book details the history, training and current missions of the Corps.

Presents the history, geography, climate, plants and animals, cities, transportation, natural resources, industry, sports, entertainment, and people of Mississippi, as well as general facts about the state.

A pictorial history of developments in transportation over the last millennium