It brought in new management last month and has resumed limited operations.
These were now re-examined, and the decision made to draw up a more limited operation.
At that point the investors decided to go to phase two, limited operations, which soon went to full operation inside a year.
The company went bankrupt in 2010, but continued limited operations after purchase by a new owner.
The military said in a statement earlier this month that the unit had resumed limited operations.
It recently hired a new management team and resumed limited operations.
The engine No. 4 is still in limited operation for photo opportunities and special events.
The port started to resume limited operations on 28 February.
All materials had to be moved secretly through Spain and this limited operations.
The base was ready for limited operations by mid October.