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as 2013 wound to a close

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NASA's exploration systems development

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division powered through an array of

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tests and milestones vehicle

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manufacturing facility construction and

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systems testing for NASA's all-new Space

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Launch System are progressing rapidly

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meanwhile Orion and the ground systems

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development and operations programs

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prepare for the upcoming launch of

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exploration flight test-1 the Orion

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stage adaptor diaphragm is a lightweight

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composite structure that protects the

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Orion crew capsule from hazardous gases

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produced by the upper stage engines the

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diaphragm was recently pressure tested

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by joining it to the adaptor and sealing

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with a vacuum this pressure test

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simulated atmospheric conditions the

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hardware may experience during flight

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and is another essential milestone to

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ensure crew safety the Space Launch

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systems adaptive augmenting control

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system was tested at the Armstrong

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Flight Research Center in November to

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test the system SLS is automated

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avionics computer was installed on one

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of NASA's versatile fa-18 jets for

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analysis and validation the adaptive

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augmenting controller is an autonomous

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course correction program designed to

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instantly detect and adjust to

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unpredicted changes in flight by

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exercising the system in an f-18

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research jet engineers were able to run

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dozens of scenarios on each 90-minute

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flight successful deployment of this

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innovative control system will increase

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performance and robustness of the rocket

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as it is steered along the path to deep

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atma shoe assembly facility the first

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propellant tank dome was completed on

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the circumferential dome weld tool the

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massive propellant tanks used on the SLS

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core stage are unlike any that have ever

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been made before and require new tools

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and processes for construction the

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nearby vertical assembly center will

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house one of the world's largest

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friction-stir weld errs which will be

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used to assemble the liquid hydrogen and

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oxygen tanks last November 90 toward 900

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cubic yards of concrete foundation in

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preparation for the new vertical

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assembly centers tower structure and

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welding elements this amount of concrete

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is similar to a foundation for a major

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modern hotel and will accommodate one of

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with the launch of exploration flight

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test-1 less than a year away the Orion

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program is conducting more frequent

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critical testing in October at the

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Kennedy Space Center in Florida the

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avionics system was installed in the

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crew module and powered up for the first

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time the spacecraft came to life and

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performed as expected in a series of

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system tests in December NASA's super

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guppy arrived from New Hampshire

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carrying Orion's most critical safety

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component the ablative heat shield the

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world's largest and most complex heat

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shield will protect future crews as the

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capsule plummets through the Earth's

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atmosphere traveling more than 20,000

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miles per hour the heat shield will

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experience temperatures nearing 4,000

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degrees Fahrenheit

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Orion's service module was lifted for a

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test fit to the spacecraft adapter it

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will use on exploration flight test-1

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with the help of an air bearing pallet

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the adapter was positioned beneath the

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service module for alignment a modified

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version of Orion's launch abort system

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was completed for the spacecraft's first

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mission the launch abort system consists

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of three motors the main abort motor the

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attitude control motor and the jettison

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motor because exploration flight test-1

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is an uncrewed launch only the jettison

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motor of the abort system will be used

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to separate the structure from the crew

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module across the country in Sunnyvale

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California

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Lockheed Martin conducted secondary

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testing of the fairing panel separation

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from Orion's service module these

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14-foot tall protective panels will be

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jettisoned after the craft reaches an

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altitude of five hundred sixty thousand

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feet each panel has six breakable joints

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that fire apart followed by six

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explosive separation bolts sending them

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safely away from the capsule and service

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module

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Lockheed Martin also successfully

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conducted the first of many forward Bay

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cover jettison tests after Orion

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completes a deep-space mission and

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returns to earth it will jettison its

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forward Bay cover at an altitude of

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23,000 feet the cover protects the crew

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during launch flight and reentry but

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must be jettisoned to allow Orion's main

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parachutes to deploy at KSC's Vehicle

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Assembly Building engineers test fit for

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a jive panels to the Orion ground test

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article these four panels will cover the

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Orion capsule during launch and attached

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to the launch abort system the ogive

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panel confidence fit was one of many

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tests designed to simulate the

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procedures for manufacture assembly and

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stacking although NASA and the US Army

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may seem like unlikely collaborators

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both agencies face the same challenges

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of keeping their men and women's safe

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from chemicals and explosive projectiles

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this mutual interest led to NASA's

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acquisition of four mine-resistant

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ambush-protected trucks for use as

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emergency escape vehicles from launch

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complex 39 the 40,000 pound M wraps came

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from Red River Depot in Texas and will

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be ready for use after some minor

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modifications launch complex 39 is also

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getting an upgrade to its mobile

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launcher the 405 foot steel Tower is

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being reconfigured and strengthened to

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accommodate the weight size and thrust

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of the SLS vehicle after a successful

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year of construction and testing in 2013

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NASA's exploration systems development

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division

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looks forward to its biggest test yet