Rolls-Royce/MAN Turbo RB.193
The Rolls-Royce/MAN Turbo RB.193 is a vectored thrust turbofan engine designed and manufactured by Rolls-Royce and MAN Turbo in the mid-1960s. The engine test flew in its sole application, the VFW VAK 191B VTOL fighter aircraft but production did not follow after cancellation of the associated aircraft project.
Source: Wikipedia — Rolls-Royce/MAN Turbo RB.193 (CC BY-SA 4.0)