General Tran Van Tra (North Vietnamese general) said:
“We did not correctly evaluate the specific balance of forces between ourselves and the enemy, did not fully realize that the enemy still had considerable capabilities, and that our capabilities were limited, and set requirements that were beyond our actual strength.”
In other words, the Tet offensive was a failure. He was subsequently sacked and put under house arrest for speaking out against the government.
Wow, that was it. Thanks. We can search that now.