UTC Aerospace Systems' MS-177 multispectral sensor will begin operational testing this month, three months behind schedule. "The start date was delayed due to weather-related flight cancellations and resource availability," Air Force spokesman Brian Brackens told Inside Defense in a June 3 email. Operational testing was intended to begin in March, more than a year behind the original start date. That delay was also due to testing resources being used for other efforts. The MS-177 sensor is designed to support...