Originally Posted by BigTJohn
Boeing developed T-9. It is one of the best things out there for corrosion prevention. It is/was used extensively on aircraft carriers to prevent planes from corroding in the harsh salt air. Good stuff, can be a little pricey, from 17.99-24.99 depending on where you get it. I use it on all our stuff open to salt air - I live on a canal and the screen door closer will rust away quickly. I am still on the original on after 12 years. Neighbors have replaced theirs 2 times in 8 years (won't listen to suggestions).
15 years for Boeing, 4 at final Assy, 1 at the Northrop factory California, and the rest at NAS Pax VX 23, flight test and never heard of that FA18,T45,X31,AV 8 platforms