Lockheed Martin Corp. (NYSE:LMT) heads into its fourth-quarter earnings report on Jan. 29 with a massive $179 billion backlog shielding it from recent operational turbulence. While Wall Street remains cautious following mid-year execution stumbles, management's own full-year outlook suggests the defense giant could be poised to beat consensus estimates.The Numbers Game: Implied Guidance Vs. The StreetA significant discrepancy has emerged between analyst expectations and the company's stated financial target ...