IMG_3101

09/23/2026

SLD BOOKSHOP

The Second Line of Defense team provides high quality publications with regard to key global strategic developments. You can purchase these on a number of booksellers such as Amazon, Barnes & Noble and Kobo.

View All »

The Next Generation of Airpower Is an Enterprise, Not a Platform

10/21/2026 For three decades, “generation” has been a word we attach to aircraft: fourth, fifth, now sixth. The label implies that the next step forward is a better machine. The Sir… Read more »

Our Partners