Defense Industry M&A Case Studies

Looking for 5 - 10 mini case studies of the deal rationale for when a large Aerospace and Defense company acquires, invests in, or allies with a small supplier due to the fear that the supplier is a critical, single-source supplier that the large A&E firm wants to tie up to avoid losing the critical source of supply of parts. Target firms would include Northrop, Lockheed, Boeing, General Dynamics, Raytheon, Thales, and others which might include large manufacturing companies in general.