Complex sentence: From the age of 12, Fripp had planned to enrol at the Royal Naval Training School to become an artificer apprentice in the Navy but failed the medical exam as he was almost four inches shorter than the requirement.
Split into simpler sentences: From the age of 12, Fripp had planned on enrolling at the Royal Naval Training School to become an artificer apprentice in the Navy. However, he failed his medical exam as he was almost four inches shorter than the requirement.