I've for some time considered the USAF Nike Hercules to have been the inspiration for the Project SWORD Probe Force 1 in 1967.
To test this theory a little more I decided today to simulate Nikes with Probe Force 1 toys.
This is the USAF Nike Hercules online picture I chose to simulate.
I then set up my two Probe Force 1 toys in the bedroom window to give me access to a sky blue background.
I got this silhouette
What do you think?