Breaching Tactics Marines shield themselves from a detonated explosive charge during an urban training course on Marine Corps Base Camp Pendleton, Calif., Jan. 29, 2016. During the course, Marines learned about four different types of charges. Marine Corps photo by Pvt. Robert Bliss SHARE: Download: Full Size (0.57 MB) Credit: Pvt. Robert Bliss VIRIN: 160118-D-HV319-002.JPG Photo Gallery