From the USFSA News page:
http://www.usfsa.org/Story.asp?id=47717&type=mediaU.S. Figure Skating Announces World, Four Continents and World Junior Teams
(1/29/12) - U.S. Figure Skating has named its selections for the 2012 World Figure Skating Championships, 2012 Four Continents Figure Skating Championships and 2012 World Junior Figure Skating Championships.
MEN'S
2012 World Championships
Jeremy Abbott
Adam Rippon
Alternate 1 - Ross Miner
Alternate 2 - Armin Mahbanoozadeh
Alternate 3 - Douglas Razzano
2012 Four Continents Championships
Jeremy Abbott
Ross Miner
Adam Rippon
Alternate 1 - Richard Dornbush
Alternate 2 - Armin Mahbanoozadeh
Alternate 3 - Douglas Razzano
2012 World Junior Championships
Jason Brown
Timothy Dolensky
Joshua Farris
Alternate 1 - Philip Warren
Alternate 2 - Harrison Choate
Alternate 3 - Jay Yostanto
PAIRS
2012 World Championships
Caydee Denney & John Coughlin
Mary Beth Marley & Rockne Brubaker
Alternate 1 - Amanda Evora & Mark Ladwig
Alternate 2 - Marissa Castelli & Simon Shnapir
Alternate 3 - Gretchen Donlan & Andrew Speroff
2012 Four Continents Championships
Caydee Denney & John Coughlin
Amanda Evora & Mark Ladwig
Mary Beth Marley & Rockne Brubaker
Alternate 1 - Gretchen Donlan & Andrew Speroff
Alternate 2 - Marissa Castelli & Simon Shnapir
Alternate 3 - Ashley Cain & Joshua Reagan
2012 World Junior Championships
Haven Denney & Brandon Frazier
Kylie Duarte & Colin Grafton
Britney Simpson & Matthew Blackmer
Alternate 1 - Jessica Noelle Calalang & Zack Sidhu
Alternate 2 - Jessica Pfund & AJ Reiss
Alternate 3 - Madeline Aaron & Max Settlage
LADIES
2012 World Championships
Alissa Czisny
Ashley Wagner
Alternate 1 - Agnes Zawadzki
Alternate 2 - Caroline Zhang
Alternate 3 - Mirai Nagasu
2012 Four Continents Championships
Ashley Wagner
Agnes Zawadzki
Caroline Zhang
Alternate 1 - Rachael Flatt
Alternate 2 - Mirai Nagasu
Alternate 3 - Christina Gao
2012 World Junior Championships
Christina Gao
Gracie Gold
Vanessa Lam
Alternate 1 - Ashley Cain
Alternate 2 - Hannah Miller
Alternate 3 - Angela Wang
ICE DANCING
2012 World Championships
Meryl Davis & Charlie White
Madison Hubbell & Zach Donohue
Maia Shibutani & Alex Shibutani
Alternate 1 - Lynn Kriengkrairut & Logan Giulietti-Schmitt
Alternate 2 - Madison Chock & Evan Bates
Alternate 3 - Anastasia Cannuscio & Colin McManus
2012 Four Continents Championships
Meryl Davis & Charlie White
Madison Hubbell & Zach Donohue
Maia Shibutani & Alex Shibutani
Alternate 1 - Lynn Kriengkrairut & Logan Giulietti-Schmitt
Alternate 2 - Madison Chock & Evan Bates
Alternate 3 - Anastasia Olson & Jordan Cowan
2012 World Junior Championships
Alexandra Aldridge & Daniel Eaton
Lauri Bonacorsi & Travis Mager
Rachel Parsons & Michael Parsons
Alternate 1 - Madeline Heritage & Nathaniel Fast
Alternate 2 - Kaitlin Hawayek & Michael Bramante
Alternate 3 - Amanda Bertsch & Sam Kaplun