That brings back memories good and bad.
Back in 1986 I was serving as an Engineer in the Royal Navy and we were off the coast of Florida onboard HMS Invincible, We were part of the routine West Indies Guardship patrol. It was during the Challenger Launch. (You know the rest of the story)
However we were involved with the US Coastguard, USN and NASA in the search. We were out at sea for over two weeks using the ships advanced sonar trying to locate the wreckage.
After this as a thank you we (the engineering department) had a special behind the scenes tour of the Kennedy complex including the vehicle assembly buildings (shown in your photograph)
The awe of the place was overshadowed by the tragic loss of the Challenger Crew, and I have to admit there wasn't a dry eye in the place as we walked down the main corridor of the complex absolutely burried in flowers.
It was an amazing visit for all the wrong reasons, and I shall never forget.