Edited sentence: Although his supporters maintain that the usual sentence for espionage for an ally of the United States during peacetime is two to four years in prison, Pollard received a life sentence which he began serving in 1985.He has since, however, stated that what he did was wrong.Pollard's stated rationale for his espionage was that he felt that Israel should have been entitled to the information he delivered, according to a 1983 Memorandum of Understanding between the two countries regarding sharing of vital security intelligence.The information Pollard delivered included Syrian, Iraqi, Libyan and Iranian nuclear, chemical, and biological warfare capabilities, information on ballistic missile development by these countries, and information on planned terrorist attacks against Israeli civilian targets