Adekunle led the Third Marine Commando Division with such great panache and determination, and the foreign media, in looking for human angle stuff about the Biafran war found Adekunle a ready source of news. Benjamin Adekunle was promoted Brigadier-General in 1972. On August 20th, 1974, he was compulsorily retired from the Army.
Gen. Adekunle's son wrote an account of his father's military career in a biography titled The Nigeria-Biafra Letters: A Soldier's Story.