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

Navy delays another industry day as shutdown worries grow

The Navy has postponed an industry day on support craft acquisitions, citing the ongoing government shutdown, which has sparked heightened concern for contracting and workforce disruptions as it enters its fourth week.

F-15EX deliveries hamstrung by Boeing defense strike

Boeing will not deliver Lot 2 F-15EX Eagle II's on time because of the ongoing defense worker strike at several of the company's production facilities, according to President Trump's pick to be the next Air Force chief of staff.

Raytheon breaks ground on LTAMDS expansion to ramp production

Raytheon has broken ground on a $53 million expansion of its Andover, MA radar production campus, a move company executives say will allow it to ramp up output of the Army's new Lower Tier Air and Missile Defense Sensor after a year of throttled production.

Company leaders anticipate mobile howitzer RFP to surface post-AUSA

Leadership at American Rheinmetall and Hanwha expect the Army to finally solicit industry on its self-propelled howitzer soon after the Association of the United States Army conference wraps up in Washington -- although a government shutdown might push that.

Navy awards General Atomics Aeronautical Systems CCA design contract

The Navy has awarded a contract to General Atomics Aeronautical Systems for the design of a collaborative combat aircraft, according to a company announcement today.

CMMC stakeholder community convenes for annual conference without DOD leaders in attendance

NATIONAL HARBOR, MD -- An annual conference for the Pentagon's Cybersecurity Maturity Model Certification program struck a positive note among stakeholders who are preparing for a Nov. 10 start to requirements showing up in defense contracts, while raising some eyebrows over potential impacts from the ongoing government shutdown.

MITRE plans to restructure threat detection taxonomy in ATT&CK framework update

MITRE is adding new details on the threat-detection strategies as part of an update to the widely adopted ATT&CK framework used by the Cybersecurity and Infrastructure Security Agency and others, to allow users to make connections with a potential chain of adversary behavior.

Air Force canceling new requirements command but keeping underpinning principles

The Air Force will no longer stand up the Integrated Capabilities Command -- one of the hallmark institutional changes of last year's "Reoptimization for Great Power Competition," the service announced Wednesday.

JIATF 401 documents nearly two-dozen validated cUAS requirements, capability gaps, more

The Pentagon's new Joint Interagency Task Force 401 (JIATF 401) is moving fast to chart a new course for counter-drone defenses after its first major exercise, Operation Clear Horizon, revealed critical gaps in how the military detects and defeats small, unmanned aircraft.