sentences:  In July 1951, the 4925th Special Weapons Group was redesignated the 4925th Test Group (Atomic) and continued for 11 years as an important component of Kirtland ’s nuclear responsibilities.SWC’s responsibilities expanded in July 1951 to include monitoring the Military Weapons Effects Program, the ongoing series of full-scale nuclear tests, and exercising overall control over participating USAF personnel.The 4930th Test Support Group was "a holding cadre for USAF participating personnel of overseas nuclear testing Joint Task Forces".