American officials in Washington, D.C., conclude that South Korea is in the initial stages of developing a nuclear weapons program.

John A Wickham, Jr., writes to General Brent Scowscroft about the U.S. defense commitment to the five northwest island groups and U.S.-South Korean defense coordination.

Richard Smyser writes to General Brent Scowcroft about the defense of the five islands off the northwest coast of Korea and whether or not the defense of these islands is bound to the U.S.-South Korea Mutual Defense Treaty.

The American Embassy in Seoul assesses the naval clash between North and South Korea in the Yellow Sea on February 26-27, 1975.

John A. Froebe, Jr., briefs Henry Kissinger on the Northern Limit Line Dispute.

The U.S. Departments of State and Defense analyze North Korea's claims relating to the Northern Limit Line and the origins of the NLL.

The U.S. Departments of Defense and State offer instructions about how to respond to the Northern Limit Line Dispute, including measures to restrain South Korea.

National Security Council staff member John A. Froebe, Jr., suggests that the United States must respond to North Korea's claims over the Northern Limit Line.

National Security Council staff member Richard H. Solomon advises Secretary of State Henry Kissinger to work with the Chinese in order to respond to North Korea's provocations along the Northern Limit Line