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Boeing X-50 Dragonfly

1 - toggle rotor
2 - deploy rotor
3 - lock for flight

Order of operations:
AG1
Wait until 100m alt
Space/stage
Z/max thrust
Increase alt to 500m
Tap B/Brake until rotor is roughly angled like wings
AG1 Turn off rotor
Lock Brakes
Fly

The Boeing X-50A Dragonfly, formerly known as the Canard Rotor/Wing Demonstrator, was a VTOL rotor wing experimental unmanned aerial vehicle that was developed by Boeing and DARPA to demonstrate the principle that a helicopter's rotor could be stopped in flight and act as a fixed wing, enabling it to transition between fixed-wing and rotary-wing flight.

The X-50A built upon the work of the Sikorsky S-72 X-Wing program of the 1980s by designing the vehicle as a multi-mode aircraft from the ground up. The X-50A was one of two projects funded by DARPA in its "Heliplane" program.[1][2]

Neither of the two prototype aircraft ever successfully transitioned to full forward flight. DARPA withdrew funding for the X-50 program in late 2006 due to inherent design flaws - Wiki