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

Navy won't re-open NGJ-LB competition despite GAO recommendation

The Government Accountability Office has sustained another protest Northrop Grumman filed against the Navy's decision to award L3Harris Technologies a contract for the Next Generation Jammer-Low Band Capability Block 1.

Massive truck-mounted cannons deploy to convention hall, take aim at Army next-gen program

Three defense contractors from Europe and the Middle East deployed to Washington, DC, their respective 155 mm howitzer variants mounted on trucks for display at a convention center, all hoping to catch the attention of U.S. government officials who are contemplating options for replacing towed cannons that are now deemed vulnerable to counter-battery fire against an advanced adversary such as Russia or China.

CMMC internal review moves forward with undisclosed recommendations pending before Pentagon leaders

An examination of the Pentagon's cyber certification program is moving into a new phase with the internal review of the initiative complete, according to sources, who say recommendations are currently under consideration by DOD leadership.

TRANSCOM's space cargo demo could be a year off as SpaceX refines launch vehicle

NATIONAL HARBOR, MD -- U.S. Transportation Command is ready to move forward with a "proof of principle" demonstration of space cargo transport capabilities, but officials expect it will likely be another year before SpaceX, its current launch vehicle partner, is ready to move forward.

Lockheed adds Donovan to board of directors

Lockheed Martin announced John Donovan has been elected to its board of directors, effective immediately.

The week ahead

Senior defense officials are scheduled to appear on Capitol Hill this week.

New USAF tactical trainer likely to have different SWAP, sensor requirements than T-7, ACC says

The head of Air Combat Command said today that a future advanced tactical trainer that has the flexibility to serve as a surrogate fighter aircraft may call for different requirements than the T-7 Boeing is currently building to replace the aging T-38.

Senate appropriators recommend cutting funding for Navy's LDUUV

The Senate Appropriations Committee wants to cut funding for the Navy's Large Displacement Unmanned Underwater Vehicle phase 2 contract.

DOD releases new Climate Risk Assessment

The Defense Department today released its Climate Risk Assessment as a "first step towards inclusion of the security implications of climate change across the DOD enterprise."