The Connecting File
Articles on leadership, training, and tactics for the Marine Corps infantry and reconnaissance communities.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 254 | Founded | 4 years ago | Last Issue | 5 days ago |
| Active | |||||
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thecxfile.substack.comLatest Issues
Tactical Small Unit Leaders Course: A Way
Many Infantry battalions begin their pre-deployment workup with a short course often led by the Battalion’s 0306 Infantry Weapons Officer, or Gunner. It’s often called Tactical Small Unit Leader Course, or TSULC. The purpose of a TSULC is t...
Episode 14: GCE 2040 with Major General Morris
At Modern Day Marine 2026, MajGen Morris and Division Commanders previewed GCE2040, a 15-year vision for the evolution of the Ground Combat Element. Today, Plans, Policies, and Operations (PP&O) officially released the concept to the public...
The Warrior Battle Rhythm: What Marines Gain from JTF Southern Border
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From April through July 2026, Charlie Company, 2d Light Armored Reconnaissance Battalion, supported U.S. Border Patrol at Brown Field Station in the San Diego Sector while attached to V17. During the rotation, the company cond...
DMX 12 Reflection: Or How Will the FDIB Employ Heavy Weapons?
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Editor’s Note: Moving forward, each of the CxFile’s DMXs will be followed by an article reflecting on the scenario’s design and exploring potential solutions. These articles aim not only to develop the problem-solving skills o...
Episode 13: Gunnery Sergeant Ryan Welch
Then Staff Sgt. Ryan Welch, right, an instructor with Advanced Infantry Training Battalion, School of Infantry – East, during a kinetic first-person view drone range on Marine Corps Base Camp Lejeune, North Carolina, Sept. 12, 2025.
Zach i...
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Articles on leadership, training, and tactics for the Marine Corps infantry and reconnaissance communities.
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