Arms bought During Jonathan's Regime Is yet to be receive WHY?

According to punch the armed bought the regime of president Jonathan is still in the waiting. Months have past and the arms are yet to arrive to the nation.

This came as a concern after President Buhari’s requested the US to sell high tech weapons in order to defeat the terrorist group BOKO HARAM And was turned down by the US congress

So the big question on the minds of Nigeria is did Jonathan truly acquired those Arms? If he does why will president Buhari requested to US to sell to Nigeria.

Buhari has declared he will probe the Administration of ex president Goodluck Jonathan as he reveals some criminal act during his regime