Anonymous ID: d31f66 May 10, 2018, 5:27 a.m. No.1357757   🗄️.is 🔗kun

>>1357310

 

Only when its obsolete and no longer at risk from exposure.

 

We have missiles which reach mach 20+, yet no publicly known jet goes faster than 3 and some change on paper.

 

We developed mach 10 missiles in the early 70's…