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Cargo craft mania! A quick guide to four days of Dragon and Progress at the ISS

Posted by Jason Davis

15-07-2016 11:33 CDT

Topics: human spaceflight, International Space Station

Starting this weekend, two spacecraft will perform a choreographed, four-day dance to deliver several tons of cargo to the International Space Station.

The Russian Progress freighter MS-03 launches Sat. and docks Tues., while SpaceX’s CRS-9 Dragon capsule blasts off Mon. and berths Wed.. The two spacecraft will simultaneously be on orbit and en route to the orbital laboratory for slightly less than a full day.

Here’s the combined schedule of events:

Spacecraft Time (UTC) Time (UTC) Time (EDT) Time (PDT)
Dragon NASA TV Pre-launch briefing  Sat., July 16, 18:00 Sat., July 16, 2:00 p.m.  Sat., July 16, 11:00 a.m. 
Progress NASA TV launch coverage begins  Sat., July 16, 21:30  Sat., July 16, 5:30 p.m. Sat., July 16, 2:30 p.m.
Progress Launch Sat., July 16, 21:41 Sat., July 16, 5:41 p.m. Sat., July 16 2:41 p.m.
Dragon NASA TV launch coverage begins Mon., July 18, 3:30 Sunday, July 18, 11:30 p.m. Sunday, July 18, 8:30 p.m.
Dragon Launch Mon., July 18, 4:45 Mon., July 18, 12:45 a.m.  Sunday, July 18, 9:45 p.m. 
Dragon  NASA TV post-launch press conference (approx.) Mon., July 18, 5:00 Mon., July 18, 2:00 a.m. Sunday, July 17, 11:00 p.m.
Progress NASA TV docking coverage begins Mon., July 18, 23:45 Mon., July 18, 7:45 p.m. EDT Mon., July 18, 4:45 p.m.
Progress Docking Tues., July 19, 0:22 Mon., July 18, 8:22 p.m. EDT Mon., July 18, 5:22 p.m.
Dragon NASA TV capture coverage begins Wed., July 20, 9:30  Wed., July 20, 5:30 a.m. Wed., July 20, 2:30 a.m.
Dragon NASA TV installation coverage Wed., July 20, 12:45 Wed., July 20, 9:45 a.m. Wed., July 20, 6:45 a.m.

The biggest piece of equipment arriving at the station is a new International Docking Adapter, which will be tucked inside Dragon’s trunk. The first IDA was supposed to arrive at the station last year, but was lost during the SpaceX CRS-7 Falcon 9 accident. The IDA is a new docking port built to a worldwide standard agreed upon by all of the major ISS partner agencies. It will first be used by SpaceX's Crew Dragon and the Boeing CST-100 Starliner.

Visiting ISS vehicles currently use a combination of docking and berthing ports. The station's Russian segment uses probe-and-cone docking ports for Soyuz and Progress vehicles, while the U.S. side uses berthing ports for Dragon and Cygnus cargo vehicles. Docking ports allow for quicker crew departures in the event of an emergency, whereas berthing ports require a series of bolts to be installed between the spacececraft and station.

"There’s quite a lot of complexity involved in a docking mechanism," said Kirk Shireman, the International Space Station's program manager, in a conference call with reporters. "It doesn’t look like that on TV, but trust me, it’s very, very complicated."

The port will be installed on the U.S. side using the station's robotic arm, and a spacewalk next month will finish making it operational. 

International Docking Adapter

NASA

International Docking Adapter
IDA-2 at Kennedy Space Center Space Station Processing Facility prior to launch.

There are also a multitude of science experiments arriving on Dragon—you can find some of the highlights here.

Of particular interest is the the biomolecule sequencer, a handheld device that can sequence DNA, which has never been done off the Earth. The sequencer could have a number of crew applications, but could also be used to analyze DNA-based life on other worlds. 

Astronaut and microbiologist Kate Rubins, who arrived on the station last weekend, will test the device. Here she is talking about the experiment: 

 
See other posts from July 2016

 

Or read more blog entries about: human spaceflight, International Space Station

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