They were military planes, probably using hardened aluminum and titanium.
Here are they shooting bullets at such metal https://www.youtube.com/watch?v=8i8wzFtaMXU
These planes were switched during the transponder-blackout perfectly outside radar tracking. Info can be found at pilots for 911 truth.
Engines were found that were standard for military planes, but not for civilian planes. The IDs of the engines were not civilian.
They were military planes, probably using hardened aluminum and titanium.
Here are they shooting bullets at such metal https://www.youtube.com/watch?v=8i8wzFtaMXU
These planes were switched during the transponder-blackout perfectly outside radar tracking. Info can be found at pilots for 911 truth.
Engines were found that were standard for military planes, but not for civilian planes. The IDs of the engines were not civilian.