In fact, it looked to me like they were deliberately destroying some.

Why should they deliberately destroy their only means of transport?

Once the world was deliberately destroyed, there could be no more safety anywhere, for anyone.

What does a man with a starving child do when food is deliberately destroyed before his eyes?

"Perhaps they stopped working or were deliberately destroyed," she suggested.

I carefully and deliberately destroyed a part of my past.

"So the objects might have been deliberately destroyed - more casualties of war."

If there ever was any, it's been deliberately destroyed by that previous regime.

The block was deliberately destroyed in the early seventeenth century.

Only fragments have survived, the rest being lost or deliberately destroyed.