The outgoing Pentagon chief Ashton Carter, as well as U.S. Army leaders spoke against Barack Obama's decision of mitigating the WikiLeaks’ informant Chelsea Manning’s sentence, reports Foxnews.

Obama is expected to deliver his final press conference on his decision, taking into account the fact, that many legislators have criticized his receive decision, claiming that it might set a dangerous precedent.

According to the source, the publication of WikiLeaks caused a huge damage to the US. " “Ambassadors were forced to resign, [CIA] station chiefs had to be recalled, secret diplomatic cables were revealed, " said one official.

In addition, it was revealed that because of Manning there was a leakage of 750 thousand instead of preciously stated 250 thousand documents. Representatives of the defense ministry notice, that the actions of Manning have accelerated the Arab Spring, and may have contributed to the strengthening of the Islamic state.