

September page of "The girls of Aperture Science" 1983 calendar, with a girl posing in bikini on an Unstationary Scaffold in test chamber 18, as seen in one of Ratman's dens. Shortly after this announcement, he succumbs to moon rock poisoning and dies. When testing is complete, her intelligence is to be stored in his computer. Cave Johnson names Caroline as his successor.Aperture Science constructs Pump Station Gamma and the Conversion Gel Testing Facility.By now, Cave Johnson has spent $70 million on moon rocks to grind up and turn into Conversion Gel, and as a result of exposure has himself become gravely ill and addicted to pain medication. Aperture Science constructs the Conversion Gel Testing Facility's enrichment center, and now performs tests on its own employees.Aperture Science constructs the elevator out of the Propulsion Gel Testing Facility.Cave Johnson receives the answer to a confidential letter titled "Human Enrichment & Testing Initiative, Resource Acquisitions", describing the four types of Test Subjects and their behavior.Aperture Science constructs Chamber 05 of the Propulsion Gel Testing Facility.This date is the earliest known use of a bulletin board system by Aperture Science.Aperture Science constructs at least Chambers 01 and 02 of the Propulsion Gel Testing Facility.Aperture constructs Pump Station Beta and begins Propulsion Gel testing.The lower sections appear to remain unused. Aperture Science re-opens Test Shaft 09 for testing.Cave Johnson says that Black Mesa has stolen and remade many of Aperture's products. By now, Aperture Science has gone black bankrupt. Aperture Science is involved in US Senate hearings regarding "missing astronauts".


Cave Johnson appears in the UP Pioneer Press headlines for buying a salt mine in Upper Michigan, which is later reconstructed as the Aperture Science Innovators facility.

Cave Johnson receives the Shower Curtain Salesman award within Aperture Fixtures.
