Retired from service in 1992, the Whale is still flying missions for Hughes Aircraft, which has a fleet of over a dozen A-3s used for various tests of missile systems and other classified projects.
Powered by 2 - Allison J33-A-31
The XSSM-A-3 was powered by an Allison J33-A-31 turbojet, and launched from a rocket-powered sled. It had a radio-command guidance system, and was controlled in flight by commands from a DB-45 director aircraft. The XSSM-A-3 could be recovered with the help of a skid-type landing gear and a drag chute.
Cruise: Allison J33-A-41; 23 kN (5200 lb)
With current technology, making any of these UAV, precision accuracy with GPS and GPS ground adjustment stations would not be a feat; would in fact be rather routine.
The key is that component in the FEMA photo.
Look at it and pay attention to these photos – first is front of Global Hawk jet engine and second – the Allison J33:
This is an Allison J33 turbojet. Note the part in right of photo and compare to FEMA photo. Right diameter.
There is no comparable part on a CF-6 General Electric engine that we are aware of at this time.