This Tuesday INSIDER Daily Digest has news on the Marine Corps looking to replace its aging Stinger missiles, the Army launching its Precision Strike Missile Increment 4 prototyping effort, Space Force domain awareness and more.

The Marine Corps' FY-27 budget request includes $143 million to initiate replacement of the "increasingly obsolete" Stinger missile:

Marine Corps to replace Stinger with developing Army interceptor

The Marine Corps plans to launch a new-start program in fiscal year 2027 to replace the legacy Stinger missile with a new air-defense interceptor currently under development with the Army.

The Army and the joint force need a capability to break through GPS-contested environments and strike “moving maritime and relocatable land targets” at further ranges than other PrSM increments:

PrSM Inc. 4 prototype competition kicks off as Army requests FY-27 R&D funding

The Army is launching its Precision Strike Missile Increment 4 prototyping effort and is requesting funding for it under a new project in its fiscal year 2027 budget request.

The 2026 National Defense Strategy includes the need to partner in space as an imperative to counter Chinese influence:

Space Force seeking to build partnership capacity for space domain awareness

The Space Force is asking Congress for authority to build partnership capacity for space domain awareness and related activities, according to the Defense Department's first batch of legislative proposals for fiscal year 2027.

In an April 26 letter, Sen. Elizabeth Warren (D-MA) questions Deputy Defense Secretary Stephen Feinberg on potential conflicts of interest related to the Golden Dome missile defense program:

Warren presses Feinberg to cut Cerberus ties over Golden Dome contracts

Sen. Elizabeth Warren (D-MA) is demanding Deputy Defense Secretary Stephen Feinberg sever all ties to Cerberus Capital Management -- the private equity firm he co-founded and ran before joining the Pentagon -- citing serious conflict-of-interest concerns after at least four Cerberus-owned or partially owned companies were awarded contracts under the $185 billion Golden Dome missile-defense program he now oversees.

Document: Warren letter on potential DEPSECDEF conflicts of interest

The Army is requesting $84 million for the Paladin Integrated Management program in FY-27; it has zeroed out the budget line in every subsequent year through FY-31 despite still needing 158 M109 howitzers and resupply vehicles:

Army revamping Paladin acquisition objective

The Army is dropping the total number of Paladins it wants to field to reconcile a paradoxical promise in its fiscal year 2027 budget request: that it will finish fielding as it simultaneously stops procurement.