In November 1942 it was moved to Quonset Point Air National Guard Station where Alvarez began shooting approaches using the system. Navy Ensign Bruce Giffin soaped the windshield of his SNB to demonstrate his trust in the system.
In November 1942, the device was reassigned to Quonset Point Air National Guard Station, where Alvarez began employing it. To demonstrate his confidence in the system, Navy Ensign Bruce Giffin applied soap to his SNB's windshield.