6 billion exertion is called the Business Engine Substitute Method. The Air Power expects the first take a look at B-52J will start ground and flight checks in late 2028, and for more B-52s to get new engines throughout the 2030s. B-52H Stratofortress going through upkeep to its rudder https://b52vin33221.diowebhost.com/85127089/tải-b52-secrets