Page "SCORE (satellite)" Paragraph 4

The SCORE communications package was designed and built by Kenneth Masterman-Smith, a military communication research engineer, along with other personnel with the U. S. Army Signal Research and Development Laboratory ( SRDL ) at Fort Monmouth, New Jersey.

The overall project was conducted in such secrecy that only 88 people were aware of its existence.

Before the date of the SCORE launch, 53 of the 88 people had been told the project had been canceled and they were not to mention to anyone that it had ever existed.

That left only 35 people who knew of the mission of Atlas 10B with the rest of the engineering crew, including the launch crew, under the impression that they were working solely on a test launch of the rocket.