Welcome to today's Defense Business Briefing, your weekly roundup of the latest defense industry news.

Mercury Systems seeks increased scope in microelectronics packaging

Mercury Systems said it will invest $15 million to expand its microelectronics packaging business.

AECOM to sell management services business for $2.4B

AECOM said it has agreed to sell its management services business for $2.4 billion to affiliates of private-equity firms American Securities and Lindsay Goldberg.

Raytheon, UTC shareholders approve merger

Raytheon and United Technologies said their shareholders at respective meetings held approved the proposals necessary to complete their merger.

Maxar to open St. Louis facility

Maxar Technologies said it will open a new facility in St. Louis, MO, to handle growth in its National Geospatial-Intelligence Agency programs.

Boeing says Muilenburg is no longer chairman

Boeing announced its board of directors has separated the roles of chairman and chief executive and named David Calhoun, currently a director, chairman.

LocatorX adds four to advisory board

LocatorX, which specializes in tracking technology, said today it has named four new members to its advisory board.

The week ahead

The annual conference of the Association of the United States Army takes place in Washington this week, while Congress returns from recess.

DOD reveals four broad use cases for initial 5G experimentation

The Defense Department's initial use cases for fifth-generation communications technologies include virtual reality for training and simulation, "smart" bases, supply chain management, and depot automation, according to a top DOD official.

Pentagon set to unveil 'adaptive acquisition framework' with six pathways

The Pentagon will soon release an "adaptive acquisition framework" with six distinct pathways for program managers to select from, according to a Defense Department official.

Pentagon compiling 'control system tested product list' to address cyber risks

The Pentagon is developing a list of tested and approved control system products, as defense officials are increasingly concerned a cyberattack on unsecure critical infrastructure could disrupt military operations.