CGI zombie-fied Fifield vs practical effects in the final cut.
"To mutate Fifield beyond what was possible using practical makeup effects, Weta Digital generated a digital character with elongated limbs and an engorged, transluscent head, incorporating a semblance of Harris’ face. Scott filmed the sequence both with the actor in makeup and without, providing clean plates that would allow for the insertion of the digital character. The final cut featured mostly makeup effects, which Weta enhanced with digital wire removal, bullet hits, and one shot of the digital creature’s body blended to the actor." - cinefex
USCSS Prometheus, Prometheus (2012)
"Funded and conceived by Peter Weyland, the USCSS Prometheus was a revolutionary starship that was the most advanced and expensive faster-than-light space exploration vehicle of its day. It was billed as an official United States Commercial Starship in 2091"