In the observation area between Firing Room
A and Firing Room B was an annotated
The accompanying sign reads
From this window you can see the oldest gantry still standing on the
"Cape". The gantry provided access to the rocket for workers and
afforded some protection from the weather. This gantry serviced both Launch
Pads A & B here at Launch Complex 26. Currently the gantry is standing at Pad
26B. The gantry is 112 feet tall and could be moved on rails under its own
power. Just before a launch it would be moved back out of the way. Note the
covered room toward the top where the payload would be mated to the rocket.
This gantry supported 36 launches.