STS-119 Wednesday broadcast schedule

We're broadcasting live tonight from Kennedy Space Center with a jam-packed schedule of guests along with regular countdown updates and a constant feed of live video from the pad and launch control center. Join us beginning at 4 p.m.

Here's the schedule:

We'll bring up live NASA TV Commentary at 4 p.m. followed by NASA interviews with Discovery Flow Manager Stephanie Stilson at 4:06 p.m. and NASA Payload Manager Robby Ashley at 4:18 p.m.

Discovery's crew will suit up at 5 p.m. and then we'll open up a series of live shots with former astronaut Charlie Precourt at 5:15 p.m. Now with shuttle booster manufacturer ATK, Precourt will talk about the upcoming Ares I-X test flight and what it's like to depart crew quarters for the launch pad on launch day.

You can watch Discovery mission commander Lee Archambault and the rest of the astronauts walk out of crew quarters at the Operations & Checkout Building at 5:30 p.m.

Then join us for more Florida Today coverage that will include:

6 p.m.: A countdown status update and interview with United Space Alliance Vice President Anne Martt. Topic: A special experiment that will be done during Discovery's atmospheric reentry and landing.

6:30 p.m.: Carter Reznik of Boeing Co. will join us to talk about the difficulty involved with unfurling a 240-foot set of solar wing that have been boxed up since 2002.

7 p.m.: We'll have a countdown update and an interview with Florida Today space reporter John Kelly on the chances of launching 10 remaining shuttle flights before a White House deadline in late 2010.

7:30 p.m.: As the sun sets, we'll interview Florida Today photographer Craig Bailey on how to take spectacular night launch photographs.

8 p.m.: Join us as we talk with Florida Today reporter James Dean about the shuttle crew and in particular, Joe Acaba, who taught science at Melbourne High School before becoming an astronaut.

8:30 p.m.: NASA astronaut Kay Hire, the first former KSC worker to gain acceptance to the NASA Astronaut Corps and then fly in space, will join us. We'll talk about her recent selection to the crew of STS-130, which will haul up Node 3 and Cupola next February.

9 p.m.: We'll have a countdown update and an interview with NASA astronaut Scott Kelly, one of the only set of twins ever selected to the astronaut corps.

NASA is scheduled to come out of its final built-in hold at 9:11 p.m. and we'll be rejoining NASA TV Commentary for the final nine-minute countdown to launch. Liftoff is scheduled at 9:20 p.m.