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minus 10 seconds

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go antares go cygnus

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[Music]

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we have

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the journey of the g david low cygnus

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cargo vehicle to the international space

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silver

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systems on stage one performing well at

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this point attitude is nominal

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very minimal steering commands at this

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antares is making its second flight

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on this on this mission we're sending

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cygnus on its first journey of many of

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the international space stations

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looks like they fixed the rocky camera

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it looks like

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propulsion avionics uh guidance and

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steering systems are all behaving well

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at this point we're getting a good

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downrange video

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very clear day to uh to fly out

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one minute 10 seconds since

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launch we're getting a nice nice views

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of the uh

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eastern shore as we depart pads here

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away

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and these are 100 800 power now they'll

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remain at 100 power level until

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approximately four minutes into the

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mission

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[Music]

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as mike doris reported there that first

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stage will fire for approximately four

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minutes

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propelling the launch vehicle to an

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altitude of approximately 113 kilometers

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or 70

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three miles valves come on in the core

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the engine iii and the fuel tank

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pressurization system is now on as well

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as expected

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attitude power

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main engine and steering systems all

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two minutes into the flight very very

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minimal steering commands at this point

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in the mission

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power buses look healthy

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engines remain uh remain nominal at 100

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attitude looks good again very little

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steering observed in the thrust effector

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control system on stage one

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[Music]

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poor pressurization systems are

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performing well at this point

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as we're past t plus two minutes 30

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seconds

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[Music]

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pvc is uh evc is nominal again with very

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approaching three minutes into the

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flight the stage one uh

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throttling should begin about three

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it's clear day a great shot of antares

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engines remain at 100 percent mixture

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ratio targets are very close to nominal

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uh valves vno four five and six and the

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locks tank pressurization system have

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come on core pressures remain healthy at

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altitude passing 250 000 feet

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50 miles in altitude now traveling about

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stage one engine shutdown should occur

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at three minutes 53 seconds

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in preparation for the main engine

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cutoff event

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that'll happen close

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to t-plus four minutes

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at miko the vehicle be traveling 10 000

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miles per hour at an altitude of 66

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statute miles

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there we see what appears to be a very

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nominal separation of the first stage

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beautiful separation there it's a very

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clean separation between the upper stack

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and stage one

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stage one is uh drifting uh

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drifting nicely away from the vehicle at

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bob's got good track

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the uh the first of the upper stack

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attitude control systems uh has been

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enabled we're now uh

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coasting on a ballistic phase of the

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mission until we've reached the proper

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conditions for a fairing separation and

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then stage two ignition

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four minutes 35 seconds into the flight

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interstage separation should occur about

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five and a half minutes into the mission

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stage two ignition at roughly 330

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seconds into the mission

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that's about about t plus 5 minutes and

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30 seconds

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kyle there we see a graphical animation

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but the telemetry is coming directly

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from the vehicle

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it shows

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the attitude control thrusters uh

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guiding the vehicle at this phase in

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flight

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as mike doris reported the next major

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milestone will be fairing separation so

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just about 19 600 feet per second of

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velocity was like a very strong

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performance from the stage one

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propulsion system and we're standing by

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for that fairing separation upcoming

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again we are we are waiting for uh

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antares to reach the proper conditions

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for uh

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fairing separation we have fairing

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attitude remains nominal

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station stage 2 tvc batteries initiated

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interstage is separated