john f. kennedy space center brevard county, florida - Environmental ...

Space Shuttle Program Historic Properties 6-20
NASA Kennedy Space Center
It was the site of the first Return to Flight in 1988 in the aftermath of the Challenger
accident. It has facilitated nationally significant events associated with space travel, and
has been integral to the launching of the Space Shuttle. The design of this complex
clearly embodies the distinctive characteristics of its type. Although it has undergone
major modifications since the Apollo era, the LC 39: Pad B Historic District continues to
convey its historic function as a launch facility, and maintains its integrity of location,
design, setting, materials, workmanship, feeling, and association.
6.2.9 Launch Complex 39: Pad B (8BR2010)
Construction of LC 39: Pad B was initiated in late 1964 and completed in 1968. Between
1978 and 1985, LC 39: Pad B underwent major modifications for the Space Shuttle
Program. In June 1977, RS&H was awarded a contract to provide specifications and
drawings for modifications to Pad B, including construction of the FSS and RSS.
Modifications began in mid-1978 by the Frank Briscoe Company, Inc. of East Orange,
New Jersey, and were completed in late 1985. On January 28, 1986, the Challenger was
the first Space Shuttle to lift off from Pad B. Approximately one minute after launch, this
mission ended disastrously with the explosion of the spacecraft and the loss of the entire
crew. The first Return to Flight mission, on September 29, 1988, saw the launch of STS-
26 Space Shuttle Discovery from Pad B, which became NASA KSC’s primary launch
facility. In June 1991, Pad B was placed on inactive status to allow for a six-month period
of repairs and refurbishment.
Photo 6.10. STS-112, Space Shuttle Atlantis, surrounded by RSS, at LC 39B, 2002.
(Source: NASA John F. Kennedy Space Center, KSC-02PD-1371)
The top of the built-up portion of Pad B was constructed identical to Pad A, except the
hardstand is elevated approximately 55 ft above sea level. It is constructed of steel and
reinforced concrete, and measures 390 ft by 325 ft. It contains a FSS, a RSS, Flame
Deflectors, and a Service Access Tower with Payload Rooms. Since the facility shares
features with Pad A, see Section 6.2.7 for descriptive information.
October 2007
Archaeological Consultants, Inc.