A fourth squadron of F-35B Lightning IIs has arrived in Japan as the Marine Corps continues to modernize its aircraft in the Indo-Pacific.

The Pentagon has ordered senior leaders to pull and review all library books at military educational institutions that address diversity, critical race theory or gender ideology by May 21.

A construction vessel spilled fuel oil at the site of a future U.S. Marine Corps airfield being built on reclaimed land in Oura Bay.

The Pentagon has issued a new deadline for transgender troops to voluntarily separate from military service following a Supreme Court ruling earlier this week. Active-duty transgender troops have until June 6 to begin the process of separating from the armed forces or risk being booted out, according to a memo signed Thursday by Defense Secretary Pete Hegseth.

Defense leaders called on the inspector general to review notification policies last year after incidents in military-run centers raised questions about when and how parents should be informed about possible abuse. The military operates America’s largest employer-sponsored child care program.

A fatal Marine Corps helicopter crash last year was caused by pilot error, but deteriorating weather conditions and the use of night-vision goggles might have been contributing factors, according to an investigation released Wednesday.

In a vivid display of U.S. military might, more than 50 aircraft and two Patriot missile batteries lined Kadena Air Base on Okinawa for what the service calls an “elephant walk.”

Service officials said it was too soon to tell how they will be impacted by Defense Secretary Pete Hegseth’s order to pare down the military’s senior ranks, but the Marine Corps will likely be affected the most.

Cpl. Jason P. Cockrell, a Marine, died on a mountain hike at Mount Furano.

Defense Secretary Pete Hegseth announced he has directed the Defense Department to cut at least 20% of its four-star generals and admirals, along with other reductions across the military.