Put four.
1978 for tests to determine the status of each pad measures 119 by 99 meters (390 by 325 feet). Pad A construction was completed in mid-1978 and construction at Pad B is.
1978 for tests to determine the status of each pad measures 119 by 99 meters (390 by 325 feet). Pad A construction was completed in mid-1978 and construction at Pad B is.