this is, of course, the great day for mankind when we leave our planet earth and set foot on the moon. so on this historic day neil armstrong and buzz aldrin are in their lunar module in their space suits. on this next pass, they are preparing to undock. all spacecraft looking very good at this time. the following revolution, revolution 13, armstrong and aldrin, they will undock from the command and service module, from which point the power descent to the lunar surface will be initiated. apollo 11, houston we re going for undocking. over. roger, understand. we re all set when you are, mike. there you go. see you later.
on the camera. roger. camera has been activated. test, mtc. the swing arm camera is on. msg. copy. go. the crew is approaching. this is saturn launch control. we just passed the 2 hour 21 minute mark in our countdown. we are proceeding at this time. 320 foot level, all three astronauts now aboard the spacecraft. a few minutes ago astronaut buzz aldrin took the center seat to join neil armstrong on the left and mike collings on the right. these are the positions they will fly at liftoff. 120 feet down, the work continues on a leaky valve. 200 foot level. the technicians still hard at work tightening bolts around that valve at this time. how do you read?
over. we have some heart rates for neil armstrong during that powered descent to the lunar surface. at the time the burn was initiated armstrong s heart rate was 110. at touchdown on the lunar surface, he had a hard rate of 156. and the heart rate is now in the 90s. we do not have biomedical data on buzz aldrin. the hatch is coming open. hatch reported coming open at 109 hours eight minutes five seconds. okay, houston, i m on the porch. roger, neil. okay, everything s nice in here. okay. can you pull the door open a little more? okay. okay. houston, this is neil. radio check. neil, this is houston, loud and clear. break, break.
adventure, leaving this planet to set foot on the moon. no, no go for start. go. 61, verify. cs-18. switch is on. verify light. roger. all stations stand by to give a crew departure status at this time. rcs. go. bse. go. sds. go. sts. go. verify all. number 2 and 3 levels. roger. 214. roger. go for crew departure. roger.
after you ve got the core tubes and the solar wind, anything else that you can throw into the box would be acceptable. we ve got about i d say 20 pounds of carefully selected if not documented samples. houston, roger. well done. out. anything more before i head on up, bruce? negative. head on up the ladder, buzz. adios, amigos. okay. transferring the sample containers into the lem cabin now. unofficial time off the surface at 111:37.32. closed and latched. verified secure. okay. and we d like to say from all of us down here in houston and really from all of us in all the countries in the entire world, we think that you ve done a