Anonymous ID: 5edbff Jan. 2, 2019, 8:04 a.m. No.4565039   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun   >>5071 >>5080 >>5093

>>4564968

Fiberglas nose radome went through 7 layers of concrete reinforced structure, to punch a nice neat round hole in the center ring of the pentagon

 

"Because they protect sensitive instruments while allowing electronic signals to pass through, nose cones โ€“ also known as radomes โ€“ must be made from specific materials. These materials often include fiberglass, quartz, honeycomb and foam cores; as well as various chemical resins."

https://www.azom.com/article.aspx?ArticleID=12107

Anonymous ID: 5edbff Jan. 2, 2019, 8:12 a.m. No.4565137   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun

>>4565071

Only titanium on jet engine is the exhaust. It has super heat resistant properties, but waaaayyyyy to expensive to put on commercial AC..

 

Was in avaition in the Navy, Step father was a captain United, step brother is A&P