Future Titanium Navy
• arcleinThe researchers overcame that problem by using new titanium friction stir welding methods developed by Florida-based Keystone Synergistic Enterprises Inc. with funding from both ONR and the Air Force.
The researchers overcame that problem by using new titanium friction stir welding methods developed by Florida-based Keystone Synergistic Enterprises Inc. with funding from both ONR and the Air Force.

This seems rather foolish to me. When steel is hit it bends and gets punctured. When titanium is hit it shatters.
Also how will Navy personnel weld (repair) titanium hulls at sea (while under attack)?