Officers said the wreckage of the eight planes - they declined to estimate their worth .
Aviation circles here said the fast combat ships would cost from $18,000 to $20,000 each - was the air station 's second heaviest loss .
Officers said the wreckage of the eight planes - they declined to estimate their worth , but aviation circles here said the fast combat ships would cost from $18,000 to $20,000 each - was the air station 's second heaviest loss .