own

Sir George's own had been—at the realization of what they had been given no choice but to help bring to this world.
"But if this process is so destructive and dangerous, how can the 'Commander' expect that they won't destroy the mine and all of its equipment once we leave? Especially if it threatens their own lands and the lives of their own people?" she asked after a moment.
"They can't," Sir George said simply. "Again, I don't pretend to understand how it's accomplished, love, but Computer says that the equipment itself is protected by something he calls a 'force field' which prevents its destruction. Besides, the area around the actual site of the mine is so heavily poisoned that any native who attempted to enter it would perish long before he could do any significant damage to it."
"I see . . . I think," Matilda said slowly, but she also frowned and shook her head. "Yet if their equipment is invulnerable, and if the natives a