While mostly optimistic about the new direction announced in the Army's revised Ground Combat Vehicle request for proposals last week, experts and industry officials voiced concerns about the program's new contract configuration, its seven-year time line and constricting government budgets -- with one analyst going so far as to call the effort "doomed." Three industry teams have stated their intention to bid: Science Applications International Corp., teaming with Boeing and two German companies, Krauss-Maffei Wegmann and Rheinmetall Defence; a partnership...