Ian Ellis Profile picture
Apr 11, 2023 19 tweets 10 min read Read on X
Tracking @USNavy Assets in the Pacific April 3-10 🇺🇸

- Nimitz CSG transits to the Eastern Coast of Taiwan from South Korea
- Makin ARG to Western Philippines from Busan, S. Korea
- Carl Vinson CSG moves to Eastern Pacific from San Diego
- USS Milius passes Mischief Reef in FoN Image
The USS Nimitz (CVN-68) Carrier Strike Group is underway in the Philippine Sea, reportedly operating East of Taiwan, after completing a large anti-submarine warfare exercise with the South Korean & Japanese navies on April 4.
The Makin Island (LHD-8) Amphibious Ready Group (ARG) is now operating in the South China Sea, ~West of Manila. It transited over the past week from Busan, South Korea, for planned exercises with the Philippines navy.
The USS Milius (DDG-69), a guided-missile destroyer, passed within 12 nautical miles of China’s Mischief Reef artificial island installation & military infrastructure, which lies in the Philippines’ Economic Zone (and also claimed by Vietnam & Taiwan).
The USS Carl Vinson (CVN-70) Carrier Strike Group is underway in the Eastern Pacific, conducting drills in preparation for an upcoming deployment. One week ago, it was operating outside Naval Base San Diego.

The CSG completed its ratings & will join 7th Fleet operations as CSG1. ImageImage
According to open source intelligence, the US Navy was operating at least two P-8 “Poseidon” Maritime Patrol & Anti-Submarine Aircraft and one USAF RC-135V “Rivet Joint” Signal Intelligence Platform off the Southern and Eastern coasts of Taiwan.
A US Marine Corps Cessna UC-35, used for the “Time Sensitive Shipment” of Personnel & Cargo left Okinawa, Japan headed Southwest towards the Philippines.

“From April 11-28, 17K members of the Philippines and US military will participate in an annual bilateral exercise.”
The PLAN’s CNS Shandong (17) Carrier Strike Group transited the Bashi Channel & has been operating off of Taiwan’s East coast.

The Nimitz CSG is also nearby in the vicinity of Taiwan. Two defense officials told USNI there have been no reported unsafe interactions. Image
The USS Ronald Reagan (CVN-76) CSG, the only forward deployed aircraft carrier group, remains in port in Yokosuka, Japan.

The USS America (LHA-6) Amphibious Ready Group (ARG) is in Sasebo, Japan.
The map below shows PLAN activity as part of the Eastern Theatre Command’s “Joint Sword” drills from April 8-10.

As of Monday, there were 12 PLAN warships and more than 90 aircraft operating in the vicinity of Taiwan, according to officials in Taipei.
The Makin Island ARG—with the 13th Marine Expeditionary Unit embarked—is operating in the SCS ahead of this week’s Balikatan exercise.

17K personnel will train together for maritime security, amphibious operations, live-fire training, & more—a marked expansion from 9K in 2022. Image
The Nimitz CSG is conducting multi-domain and integrated operations in the Philippine Sea as of April 11.

“We’re here not only to reassure our allies and partners of our unwavering commitment to the rules-based international order, but to work alongside them with a shared… twitter.com/i/web/status/1…
Map showing encounters between ships in Taiwan’s contiguous zone on April 10 (unconfirmed):
PLAN ships that participated in the exercises (unconfirmed):
As of April 11, satellite imagery shows the CNS Shandong aircraft carrier operating within 200 nautical miles of Taiwan’s east coast.
As of April 14, the Nimitz aircraft carrier continues routine operations in the Philippine Sea.
As of April 13, the USS Milius was underway in the South China Sea.

On April 10, the Milius asserted navigational rights and freedoms in the SCS near the Spratly Islands & Mischief Reef (where China has established artificial military infrastructure).
On Monday April 16, the US Navy sent the USS Milius destroyer through the Taiwan Strait.

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More from @ianellisjones

Sep 1
SOUTHCOM Snapshot: Potential strike package with a TLAM (Tomahawk Land Attack Missile) loadout via @vcdgf555

POTUS has options. Image
The U.S. has deployed a considerable naval and expeditionary force to the Caribbean (U.S. Southern Command/4th Fleet AOR), providing POTUS with a wide range of military options to use against Venezuela or other non-state actors in the region. Catch up on everything that’s happened:
"The IWO ARG – 22nd MEU(SOC) is America’s 9-1-1 force—lethal, capable, and adaptable—ready to respond to contingency missions around the globe. This force operates 24/7, reassuring our Allies and partners; deterring our adversaries; keeping the world’s oceans free and open in accordance with international standards; and projecting power on a global scale through sustained operations at sea."
Read 4 tweets
Aug 25
Update on U.S. Navy deployments to SOUTHCOM:

- USNI identified the guided-missile cruiser assigned to the task force, USS Lake Erie (CG 70), now operating in U.S. 4th Fleet
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- The fast attack sub remains unidentified, but several have been active off the east coast in August

More info and sources below.Image
Read 7 tweets
Jun 22
🚨 U.S. conducts massive precision strikes "obliterating" key Iranian nuclear facilities

- USAF B-2 bombers dropped at least 6x GBU-57 MOP bombs on Fordo
- U.S. Navy guided-missile sub USS Georgia (SSGN 729) fired 30 Tomahawk cruise missiles at Natanz and Isfahan

What we know: Image
Source: @EricSchmittNYT Image
Update: One B-2 also dropped two bunker busters on Natanz, according to the U.S. official @EricSchmittNYT Image
Read 5 tweets
Jun 8
PLA Navy in 2025: More warships, farther than ever before

• 1,350+ Chinese vessels near Taiwan (+26%)
• Liaoning’s longest deployment ever, deep into WESTPAC
• First circumnavigation of Australia
• 20+ joint combat readiness patrols

These deployments demonstrate Beijing's blue water ambitions and the capability to project power outside the first and second island chains, sending a clear message to not only the U.S. and Taiwan but also Australia, Japan, and the Philippines.Image
The Chinese PLA has deployed four big deck warships - two aircraft carriers and two amphibious assault ships - over the last month.

The U.S. Navy is also active in the region:
The Liaoning carrier task group is operating deep in the Western Pacific, more than 2,000 miles (3,200km) from its homeport at Yuchi Naval Base. This represents the PLA's longest carrier deployment on record and the first time deploying beyond the second island chain.
Read 5 tweets
May 2
🚨 China dispatched 546* PLA aircraft around Taiwan in April, the highest monthly total of 2025 & most since August

Nearly 1,800 PLA aircraft have been detected operating nearby year-to-date (+48% yoy), with 1,200+ crossing into Taiwan's ADIZ (+184%)

New heatmap with @OSINTNW: Image
Year-to-date, PLA incursions into Taiwan's Air Defense Identification Zone (ADIZ) in 2025 continue to run significantly higher than 2023 and 2024. Image
China wasn't fooling around on 1 April when they announced exercise Strait Thunder 2025A, taking advantage of favorable weather conditions to "close in on Taiwan from multiple directions" and execute one of the PLA's largest blockade drills to date. 135 PLA planes were detected over 2 days.
Read 6 tweets
Apr 18
American strategic bomber fleet out in full force 🇺🇸

• 4x USAF B-1B Lancer bombers deployed to Japan in support of first Bomber Task Force mission, marking a historic visit

• 6x B-2 Spirit stealth bombers forward deployed to Diego Garcia continue strike ops against the Houthi Image
More info on the B-2 bomber deployment:
A Bomber Task Force (BTF) deployment of USAF B-1B Lancer aircraft, Airmen and support equipment from the 9th Expeditionary Bomb Squadron, Dyess Air Force Base, Texas, arrived at Misawa Air Base, Japan, on 15 April. (PACAF) Image
Read 5 tweets

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