Internet find Electronics Training from the Navy

United States Navy Electricity & Electronics Training Series - NEETS

In the introduction, the texts are defined as a "self - study course". Seems to be a really good way to teach yourself about electronics if you were so inclined. Another example of how, if you can just filter out the noise, it's possible to get a base education in just about anything if you have access to a web browser. From the intro :

The first module - Introduction to Matter, Energy, and Direct Current is 283 pages. Guessing it's pretty impressive learning material.