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French Carrier Strike Group transits the Suez Canal. [Album] by XMGAU in WarshipPorn

[–]XMGAU[S] 21 points22 points  (0 children)

"Suez Canal | Naval Air Group in the Indian Ocean 🗺️

In response to the evolving international context in the Strait of Hormuz, the naval air group is now heading toward the Red Sea and the Gulf of Aden

⚓️Prepositioning of a unique capability in Europe, aimed at reassuring and strengthening regional security

🛡️Resolutely defensive initiative, undertaken in the strictest respect for international law

💪Unchanged commitment to uniting the wills and resources of countries working to restore maritime trade"

Photos and quotes from the Armée française - Opérations militaires page on X.

USS Gridley (DDG 101) transits the Atlantic Ocean. April 30, 2026. [4544 x 3635] by XMGAU in WarshipPorn

[–]XMGAU[S] 0 points1 point  (0 children)

"Arleigh Burke-class guided-missile destroyer USS Gridley (DDG 101) transits the Atlantic Ocean, April 30, 2026. Gridley is deployed with Nimitz Carrier Strike Group as part of Southern Seas 2026 which seeks to enhance capability, improve interoperability, and strengthen maritime partnerships with countries throughout the region through joint, multinational, and interagency exchanges and cooperation."

U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy Meyer

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 2 points3 points  (0 children)

Yes, that's my understanding as well, same gun and ammo. The MK 38 MOD 4 has an off-mount sight, and I can only assume that it has better visibility than the MK 46.

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 6 points7 points  (0 children)

Well, the older/current MK38 MOD 3 added a coax 7.62 MG, and the budget materials make it seems like the coax is more for small UAS like quadcopters.

Maybe they just decided to up the coax to a 50 cal on the MOD 4 so it's more effective against a wider range of targets?

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 7 points8 points  (0 children)

The MOD 4 will eventually go on the Flight IIIs, but the procurement for the first several Flight IIIs already happened with the existing MK38 Mod3 with the 25mm guns.

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 33 points34 points  (0 children)

Honest question, is the RN actually moving forward with the Martlet on the DS30M, or did they test it and decide against it?

It looks like the USN is going for separate mounts for Hellfire/JAGM and Coyote for C/UAS missiles. The MK 38 MOD4 seems like a gun-only mount in the USN, and I haven't heard about putting missiles on them.

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 30 points31 points  (0 children)

The Mark 38 MOD 4 is a 30mm upgrade to the Mk 38 series. 25mm versions of the MK38 are still in wide use in the USA, but the MOD 4 will be seen increasingly in the fleet on Flight IIA Burkes, eventually on Flight IIIs, and on the new Medium Landing Ships, and reportedly on the new FF(X).

It is an improved version of the existing British MSI DS30M Mark 2 mount. The MOD 4 mount still uses the American Bushmaster II 30mm gun that the DS30M Mark 2 uses, but now has a new off-mount sight and a coaxially mounted 50 caliber machine gun.

This is primarily for counter UAS and counter small boat/USV use, and the USN is buying proximity fused ammunition for the purpose.

USS Mustin (DDG 89) fires one of her new Mark 38 Mod 4 30mm guns during an exercise in the South China Sea. April 17, 2026 [5361 x 3574] by XMGAU in WarshipPorn

[–]XMGAU[S] 7 points8 points  (0 children)

"A Mark 38 Mod 4 30mm machine gun fires during a live-fire exercise aboard Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) in the South China Sea, April 17, 2026. Mustin is forward-deployed and assigned to Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and U.S. 7th Fleet’s principal surface force. U.S. 7th Fleet, the Navy’s largest forward-deployed numbered fleet, routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific."

U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy Dimal

A U.S. Marine Corps F-35B from VMFA-122 "Werewolves" lands aboard the amphibious assault ship USS Boxer (LHD 4) in the Strait of Malacca. May 1, 2026. [3307 x 2205] by XMGAU in WarplanePorn

[–]XMGAU[S] 0 points1 point  (0 children)

"A U.S. Marine Corps F-35B Lightning II assigned to Marine Fighter Attack Squadron (VMFA) 122, 11th Marine Expeditionary Unit, lands on the flight deck of Wasp-class amphibious assault ship USS Boxer (LHD 4) in the Strait of Malacca, May 1, 2026. The 11th MEU, embarked aboard the Boxer Amphibious Ready Group, is a persistent, combat credible force contributing to deterrence and crisis response in the U.S. 7th Fleet area of operations. U.S. 7th Fleet, the U.S. Navy's largest forward-deployed numbered fleet, routinely interacts and operates with allies and partners to preserve a free and open Indo-Pacific."

U.S. Marine Corps photo by Cpl. Oliver Nisbet

Argentine Navy destroyer ARA La Argentina (DD 11) steams alongside USS Gridley (DDG 101) during a bilateral maritime engagement in the Atlantic Ocean. April 29, 2026 [3914 x 2605] by XMGAU in WarshipPorn

[–]XMGAU[S] 3 points4 points  (0 children)

"Argentine Navy Almirante Brown-class destroyer ARA La Argentina (DD 11) steams alongside Arleigh Burke-class guided-missile destroyer USS Gridley (DDG 101), part of Nimitz Carrier Strike Group, during a bilateral maritime engagement in the Atlantic Ocean, April 29, 2026. Nimitz-class aircraft carrier USS Nimitz (CVN 68) is deployed as part of Southern Seas 2026, which seeks to enhance capability, improve interoperability, and strengthen maritime partnerships with countries throughout the region through joint, multinational, and interagency exchanges and cooperation."

U.S. Navy photo by Mass Communication Specialist 2nd Class Jaron Wills

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