Complex sentence: The Rolls-Royce AE 3007 (US military: F137) is a high-bypass turbofan engine produced by Rolls-Royce North America, sharing a common core with the Rolls-Royce T406 (AE 1107) and AE 2100.
Split into simpler sentences: The Rolls-Royce AE 3007 is a high-bypass turbofan engine produced by Rolls-Royce. The engine shares a common core with the Rolls-Royce T406 (AE 1107) and AE 2100.