The Japanese-American Treaty of Mutual Cooperation and Security will be susceptible to first renegotiation in 1970. This is not to say that the Treaty will be terminated or even that renegotiation is mandatory.
Levi, Burna D. Jr.
"The Japanese-American Treaty of Mutual Cooperation and Security and the United States Navy—1970,"
Naval War College Review: Vol. 18
, Article 4.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol18/iss5/4