> they kept it a secret for over 20 years. They were only able to keep the project secret for less than 5 years - the operation leaked and details were publish

> they kept it a secret for over 20 years. They were only able to keep the project secret for less than 5 years - the operation leaked and details were published in the LA Times and other newspapers in Feb. 1975, which forced them to cancel plans for a second attempt to recover the rest of K-129.