Former professionals condemn recruitment of teenagers by âpushing the notion of a noble military career to childrenâ… After a six-month trial, 16-year-olds are locked in to the forces until they reach 22, meaning a life-changing decision is made at a brutally young age, says VFP co-ordinator Ben Griffin, 37, who served in Northern Ireland, Iraq and Afghanistan in the SAS and the Parachute Regiment. He said his experiences gave him an âobligationâ to tell teenagers the truth.