Does "the USA objected" mean "the USA objected the prosecutions to take place"?

Context:

Arrested by the http://en.wikipedia.org/wiki/Occupation_of_Japan at the end of http://en.wikipedia.org/wiki/World_War_II, Ishii and other Unit 731 leaders were to be thoroughly interrogated by the http://en.wikipedia.org/wiki/USSR.^[6] Instead Ishii and his team managed to negotiate and receive http://en.wikipedia.org/wiki/Immunityfrom_prosecution(international_law) in 1946 from http://en.wikipedia.org/wiki/Japanese_war_crime prosecution before the http://en.wikipedia.org/wiki/Tokyo_tribunal in exchange for their full disclosure of http://en.wikipedia.org/wiki/Germ_warfare data based on http://en.wikipedia.org/wiki/Human_experimentation. Although the Soviet Russian authorities wished the prosecutions to take place, the USA objected after the reports of the investigating US microbiologists. Among these was Dr. Edwin Hill (Chief of http://en.wikipedia.org/wiki/Fort_Detrick), whose report stated that the information was "absolutely invaluable", it "could never have been obtained in the USA because of scruples attached to experiments on humans", and "the information was obtained fairly cheaply".^[6] On 6 May 1947, http://en.wikipedia.org/wiki/Douglas_MacArthur wrote to Washington that "additional data, possibly some statements from Ishii probably can be obtained by informing Japanese involved that information will be retained in intelligence channels and will not be employed as 'http://en.wikipedia.org/wiki/Japanese_war_crimes' evidence."^[7] The deal was concluded in 1948.^{[citation needed]} In this way Ishii was never prosecuted for any http://en.wikipedia.org/wiki/Japanese_war_crimes.