{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Preble Hall","title":"Dr. Shawn Callahan - Semper Fidelis - USMC 250th Anniversary Book","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/e71c7c40\"></iframe>","width":"100%","height":180,"duration":3132,"description":"In this episode of Preble Hall, Dr. Shawn Callahan, Director of the Marine Corps History Division at Marine Corps University, discusses their recently published work, Semper Fidelis: 250 Years of U.S. Marine Corps Honor, Courage, and Commitment. ","thumbnail_url":"https://img.transistorcdn.com/wkFX0lHdLEl6lzDpyYSywLzNcdUgC4uAWfxs0_eO2DQ/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS81OWVl/MmM1NjVlYTc4MmJl/ZWY2YjgzMWY4NmVm/NGQ5Yy5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}