Defence spending had been set to rise to 3% of GDP by 2030 - but Chancellor Jeremy Hunt refuses make that commitment.
He repeated this on Radio 4's Today programme and was asked specifically if a"difficult tough decision" would be taken over the defence budget.
Pressed on how he was leaving open the possibility of the 3% defence spending pledge not being delivered by 2030, Mr Hunt said:"I am leaving open all possibilities this morning. I wish I could give you more detail, but I will be presenting to parliament in a fortnight on Monday exactly what is going to happen and the answer to all those questions.
Had the Conservatives - and Labour before them - genuinely demonstrated the mantra that national security is their first priority the UK would not have seen successive governments slash defence spending and military capability over the past three decades.
Russia's Vladimir Putin, Xi Jinping of China, North Korea's Kim Jong-un and all other leaders who prefer authoritarian rule over the values of democratic governments - human rights, rule of law and other freedoms - will be laughing.
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