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FEATURE
NEEMO 9 CDR Dave Williams
Training Week Journal


JSC2006-E-13561 Nicole Stott and Ron Garan Image above: Astronauts Nicole Stott and Ron Garan welcome a fellow aquanaut arriving with camera in the wet porch of the Aquarius undersea habitat. Credit: NASA

Wednesday, March 29, 2006
Wake-up at 6:30 and it’s a big day for the crew today with more diving training finishing off with a mask-off lost line drill! But, I’ll have more on that later. After a quick breakfast of oatmeal with apples and cinnamon, a couple of cups of coffee and a glass of orange juice, we all settled in to getting caught up on e-mail and crew journals. The week is going by quickly, it seems much faster than I remember from my first NEEMO mission in October 2001. The training from NEEMO 1 came back quickly and a number of exercises like the shut-down drills were pretty familiar. Training activities started with photos of the crew and the topside team and continued with briefings on our communications masks, journal protocols, emergency radios, signaling devices and cave reel procedures for a lost diver to find an excursion line to get back to the habitat. We went outside to practice the cave reel procedures and also learned how to inflate a sausage buoy that we can deploy to the surface in the event of an emergency. The briefings finished at 11:15 but we didn’t have time for lunch, grabbing a quick snack while getting our dive gear ready for an 11:45 departure from the dock. The wind and waves were less than yesterday with a 2 – 3 foot swell bouncing us around on the ride out to Aquarius. We are all looking forward to getting into the habitat where we can go diving as easily as walking out the front door at home. To get into the water at Aquarius we step down stairs into the water on the wet porch, put on our dive gear and swim away!! The concept of the wet porch is somewhat similar to that of an inverted bucket underwater with air inside it where the air pressure is the same as the water pressure outside and stops water from entering the bucket. The first dive of the afternoon was to find an excursion line and get back to the habitat using the cave reel technique we had learned earlier – except we had to perform the search without our face mask!! The swim down to the training site was more leisurely as the current from the day before had abated somewhat. Ross, one of our NURC instructors and fellow hab-tech, intentionally swam Nicole and I around in circles to try and get us lost. He did a pretty good job! We worked as a team to attach our cave reel to a piece of coral that became the center of our expanding search circle. However, before we could start the search he took our masks away and our visibility dropped significantly. Everything was pretty blurry as Nicole and I extended the cave reel and started the expanding circular search. We went around a full circle without success. With the salt water irritating our eyes, we started the second expanding circle and went three quarters of the way around to be rewarded by finding the excursion line. We then had to choose a direction back to Aquarius. We both agreed on the correct direction and started to swim back to the junction of another excursion line that would take us back to the habitat. Once we correctly pointed the way back to the habitat Ross gave us our masks back. Ah relief!!! Once I cleared the mask my eyes were still a bit blurry from the salt water. We then went to practice more shut-down and out-of-air drills. The 50-minute dive finished so Ross and Otter could get to the surface and switch tanks as they were using single tanks and did not have as much as we did in our aquanaut diving rigs. We had a 10-minute break on the surface during which we practiced rescue breathing and we headed back down for the second dive. Once on the bottom Ross asked Nicole and I to buddy breathe, using one regulator passed back and forth between us while we swam. In keeping with the training objectives, this was done with our masks off. We proceeded along the excursion heading toward the habitat intermittently holding our breath and breathing from the regulator. Ross seemed happy with our technique and rewarded us with more mask off shut-down drills! With 15 minutes left in the dive we practiced deploying our sausage buoys, making sure we didn’t get snagged on them and pulled to the surface by mistake. All of us successfully accomplished the training objectives and we flopped onto the boat and did the dive debrief before heading to shore. Once back at NURC we had 45 minutes to clean our dive gear and get ready for more bench review of our experiment hardware. We were pretty tired when we finished by 7 p.m.! By the time we finished dinner, phone calls and more e-mail we were ready for bed by 10. Tomorrow brings more dive training, this time using communication masks that allow us to talk to one another. Should be fun!

  ISSUE ARCHIVES 
 
 NEEMO 9 Mission Journal Number 14
"Scuttle bunny was flying around the reef at quite a pace with test pilot Ron at the controls."
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 NEEMO 9 Mission Journal Number 13
"But what a sight after we turned off our lights. Bioluminescent creatures ... lit up the sea around us."
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 NEEMO 9 Mission Journal Number 12
"We're sitting at the galley table writing our journals and as usual we're distracted by the beauty out the galley view port."
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 NEEMO 9 Mission Journal Number 11
"As the sun began to set in the world above, I swam into the wet porch feeling very much a resident of the reef."
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 NEEMO 9 Mission Journal Number 10
"It was pretty exciting to me to be here living and working on Aquarius on the 25th anniversary of STS-1."
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 NEEMO 9 Mission Journal Number 9
"As I write this a large sea turtle just decided to park its belly on our main view port (where I'm presently sitting)."
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 NEEMO 9 Mission Journal Number 8
"This marks the first time in human history an entire robotic surgical platform was transported to an extreme environment ... and was manipulated successfully from afar."
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 NEEMO 9 Mission Journal Number 7
"There is nothing quite like the transition from a warm bed to a cold wetsuit to wake you up in the morning!"
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 NEEMO 9 Mission Journal Number 6
"The EEG net leaves a particularly attractive series of marks on the subject's head-- looks like we have been kissed by an octopus."
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 NEEMO 9 Mission Journal Number 5
"It's ... incredible to watch the sunset from 47 feet beneath the surface."
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 NEEMO 9 Mission Journal Number 4
"Today was a day filled with outreach events, both 'educational' (to school children) and 'public affairs' (to media)."
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 NEEMO 9 Mission Journal Number 3
"One of the highlights of the day was our videoconference with Jeff Williams and Bill McArthur on the International Space Station."
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 NEEMO 9 Mission Journal Number 2
"Today at 10:38 a.m. Ron Garan, Nicole Stott, and Tim Broderick joined an elite group of people in this world who have spent 24 hours under the sea in 'saturation,' making them the world's three newest aquanauts."
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 NEEMO 9 Mission Journal Number 1
"I'm looking forward to my first night of 'sleeping with the fishes.'"
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 NEEMO 9 Training Journal Number 6
"The mission as planned will be the most complex and longest NEEMO and Aquarius mission to date."
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 NEEMO 9 Training Journal Number 5
"It was an interesting experience talking to one another and looking out the windows into the ocean while standing on the bottom at 60 feet!!"
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 NEEMO 9 Training Journal Number 3
"The pace is beginning to pick-up with more diving tasks being added every day."
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 NEEMO 9 Training Journal Number 2
"On our way out, we saw a pod of dolphins which started following the boat and leaping out of the waves."
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 NEEMO 9 Training Journal Number 1
"Today was our first day of training in our final week before the mission."
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