Leidos' top executives cautioned today that their recently won $11.5 billion contract to unify the Pentagon's so-called Fourth Estate IT environments will face, in the words of the chief executive officer, "a slow ramp" before becoming "a significant program" for the company. Though the potential 10-year Defense Enclave Service contract, which the Defense Information Systems Agency awarded at the end of February , “will continue to drive growth for multiple years” for Leidos, Chief Financial Officer Chris Cage warned analysts...