The needs of the Sandinista forces and the failure of the Soviet Union to provide them are evident throughout the document.
Mr. Denby is the second American to be shot down by Sandinista forces in the last 14 months.
Even though American officials had asserted that Sandinista forces crossed into Honduras during the operation.
His disclosure could not be confirmed, but the Sandinista forces have been engaged in sometimes heavy fighting with the contras.
He described it as the largest operation ever conducted by Sandinista forces.
But late today Administration officials said that Honduran jets reportedly had attacked Sandinista forces in the border area.
Last month, more than 3,000 American troops were deployed here in response to what Washington called an invasion by Sandinista forces.
These included rebel insistence that all political prisoners be released in five days, or no deal; and instant demobilization of Sandinista forces.
They say they will keep their weapons until every remnant of the Sandinista force has been erased.
But within a short time, she said, the maid got in touch with her and said the Sandinista forces had taken it over.