S69-39269. Buzz Aldrin trains in the 1/6th-g aircraft. Hatch/porch mockup in the background is used to practice egress and ingress. On the front of Buzz's suit, note the comm cable connecting him to the tech at the right leaning against the bulkhead and wearing headphones and a microphone. Research by Ed Hengeveld.
S69-39270. Buzz is on a short mock-up of the LM porch and ladder in the KC-135 aircraft and is trying to handle a flying rock box attached to the porch rail with a lanyard. Scan courtesy NASA Johnson.
Source: Apollo 11 Image Library.