This is the second part of a series.

In the spring of 1925, a shortage of helium kept the U.S. built USS Shenandoah in her Lakehurst, N.J. hangar. The valuable gas had been given to the newer, German-built USS Los Angeles.

While they had been constructed only a short time apart, the newer airship displayed many German improvements. Joseph F. Hood pointed out several in his book When Monsters Roamed the Skies.

“The airship itself was a dream. Five greatly improved versions of the wartime Maybach engine produced a total of 2,625…