This ebook presents a magnificent compilation of authoritative U.S. Navy documents on the past, present, and future of America's submarine fleet. Contents of this comprehensive digest of fascinating……続きを見る
The Arctic is an intensely harsh operating environment, with extreme cold, heavy fog, severe storms, unpredictable ice flows and changing ice. These conditions persist even as sea ice has retreated ……続きを見る
Part of our value-added professional format series of U.S. military manuals, this U.S. Coast Guard (USCG) manual covers the basics of the marine safety program including boating safety, commercial v……続きを見る
