Tuesday NatSec Roundup

It is certainly of great importance for a general to keep his plans secret; and Frederick the Great was right when he said that if his night-cap knew what was in his head he would throw it into the fire. 

• More on the idea of F-22 retirement…
• The great purge of CIA assets in China…
• Requiring private companies to report cyber-attacks is a big deal…
• If you wanted to know about navy shipyards…
• Zumwalts will carry hypersonics by 2025.
• A history of National Intelligence Estimates and the Soviet space program…