A classified ballistic missile target was able to sneak by the Army’s newest radar and integrated battle command system during an operational assessment last year, a setback the service did not disclose -- but which came to light in a new report by congressional auditors on the Lower Tier Air and Missile Defense Sensor (LTAMDS). The Government Accountability Office, in its annual report on selected weapon system programs , notes this development in its review of the LTAMDS multifunctional radar,...