This Thursday INSIDER Daily Digest has news on funding for missile defense, Air Force refueling tankers, Army helicopters and more.

We start off with a major Navy leadership shakeup:

Phelan out as SECNAV, Hung Cao to become acting secretary

John Phelan has been removed from the role of Navy secretary and is departing the Trump administration immediately, according to a Wednesday evening social media post by Chief Pentagon Spokesman Sean Parnell.

Some missile defense news:

DOD leaders to provide Golden Dome update as Pentagon prepares for summer C2 demo

Pentagon officials will offer a fresh look at the Golden Dome missile-defense program at an April 23 event where remarks are expected to provide new details about a major test planned for this summer that is set to validate the program's command-and-control architecture -- the integrating layer officials have described as the project's "secret sauce."

MDA puts industry on notice: Reinvent missile defense or step aside

The Missile Defense Agency is sending an unmistakable message to the U.S. defense industry: what you've built isn't enough, and what you're planning may not be what the nation needs.

Navy seeking magazine depth with first-time PAC-3 buy

The Navy plans to begin buying Patriot Advanced Capability-3 Missile Segment Enhancement interceptors for the first time in a bid to increase magazine depth and complement existing capabilities like the Standard Missile.

Air Force aircraft budget news:

NGAS funding line disappears as Air Force shifts to focus on systems approach

The Air Force has moved a budget element dedicated to the Next Generation Air-Refueling System into a new funding line called Advanced Tanker Systems, increasing the potential for the service to skip the new tanker altogether.

Air Force wants to shed 149 aircraft in FY-27, stabilize F-35 and KC-46 programs

The Air Force in fiscal year 2027 is again asking Congress to jettison multiple legacy aircraft, including all of its remaining U-2 Dragon Lady spy planes and close to half of its A-10 Warthogs.

Coverage of the Army's Black Hawk helicopter replacement program:

Bulk of funding for MV-75 will shift toward procurement after FY-27

The lion's share of funding in the president's budget request for the Army's MV-75 Cheyenne II aircraft will shift from research, development, test and evaluation to procurement in the five-year future years defense program between fiscal year 2027 and FY-31, according to new budget documents.

The head of the Office of Management and Budget spoke at this year's Sea-Air-Space conference:

White House OMB director skewers shipbuilders, threatens to take business elsewhere

NATIONAL HARBOR, MD -- White House Office of Management and Budget Director Russell Vought today lambasted industry over delays plaguing the Navy's shipbuilding portfolio and threatened to take the government's business elsewhere if performance does not improve.

The Pentagon is making the largest-ever investment in drone warfare:

DOD launches next drone competition phase as it pitches largest-ever UAS buildup

The Defense Department has opened applications for the next phase of its mass drone procurement initiative, at the same time unveiling its request for $53.6 billion in mandatory spending on uncrewed aerial systems.

Our colleagues at Inside Cybersecurity have some semiconductor acquisition news:

PSC seeks scoping for national security acquisition rule banning certain semiconductors from government systems

The Professional Services Council is calling for scoping on rules to amend the Federal Acquisition Regulation to ban certain semiconductors on federal systems as a matter of national security, commenting on a rule proposed under a mandate in the national defense policy law.