MACV-SOG was deactivated as the Vietnam War ended, but the secretive group's legacy lives on with Joint Special Operations Command.

After the early success of Operation Market Time, which focused on coastal interdiction, the U.S. Navy launched Operation ...

The original SOG (which eventually had its name changed to "Studies and Observation Group" for security reasons) used CIA personnel, Special Forces troops and local tribesmen to run intelligence ...

For nearly a decade, a Vietnamese folk singer–turned–double agent caused the deaths of scores of America's spies.

As part of its 9/11 commemorations, the CIA’s official Twitter account posted a series of images from just days before it launched its operation into Afghanistan, including a rarely-seen picture ...

FORT BRAGG, N.C., - Today marks the 55th anniversary of the activation of the Military Assistance Command, Vietnam, Studies and Observations Group (MACV-SOG) in the Republic of Vietnam.

Consisting of elite operators from various special operations forces, such as the Green Berets Navy SEALs, Force Recon, and CIA operatives, this covert unit was tasked with some of the most ...

In 2008, CIA operative Stephen Stanek faced a decision: cancel the operation he was running or go forward with it — as a tropical storm barreled through the Philippines with a projection to veer ...

FORT BRAGG, N.C., - Today marks the 55th anniversary of the activation of the Military Assistance Command, Vietnam, Studies and Observations Group (MACV-SOG) in the Republic of Vietnam. The ...

The original SOG (which eventually had its name changed to "Studies and Observation Group" for security reasons) used CIA personnel, Special Forces troops and local tribesmen to run intelligence ...