Slice of History: Something is Missing …

By Julie Cooper

Each month in “Slice of History” we feature a historical photo from the JPL Archives. See more historical photos and explore the JPL Archives at

A large pond and smaller building 264 at JPL
Something is Missing … — Photograph Number JB-16114B

To anyone who came to NASA’s Jet Propulsion Laboratory in Pasadena, Calif., after 1975, this photo may seem odd – building 264 has only two stories, and there is a large pond running down the middle of the mall.

In September 1970, construction began on building 264, the Systems Development Laboratory, a support facility for the Space Flight Operations Facility in building 230. A 7.5 foot tunnel connected the two buildings, lined with racks to support the cables and wiring that joined them. It was constructed as a two story building with a foundation capable of supporting six additional floors, although JPL had to wait several years for additional funding to be approved. The building was finally completed late in 1975, providing mission support for the Viking and Voyager missions, computer space, and three floors of office space.

The pond was nearly 300 feet long, stretching from the mall fountain to a parking area at the east end of building 183. It was built in 1967 and removed by about 1989, but the fountain remains.

This post was written for “Historical Photo of the Month,” a blog by Julie Cooper of JPL’s Library and Archives Group.

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