Adams was apprenticed in the merchant [[marine]] at the age of 12 where he learned shipbuilding, [[astronomy]], and [[navigation]]. At the age of 24 he joined the [[Royal Navy]] and served under [[Sir Francis Drake]] including action against the [[Spanish Armada]] as master of the Richarde Dyffylde, a resupply ship, in 1588. | Adams was apprenticed in the merchant [[marine]] at the age of 12 where he learned shipbuilding, [[astronomy]], and [[navigation]]. At the age of 24 he joined the [[Royal Navy]] and served under [[Sir Francis Drake]] including action against the [[Spanish Armada]] as master of the Richarde Dyffylde, a resupply ship, in 1588. |