Originally Posted by PerfInit

See FAA Order 8900.1, Volume 5. I don't have the exact reference in front of me, but somewhere in ther it discusses this issue. Basically it lists several military aircraft, multiengine but without a published Vmc speed. The T-38, F-14, and several others are listed. Basically the guidance implies that although these military aircraft have more than one engine, they are considered "centerline thrust" for certification purposes...