At the present time England has no increase in sea power to record.
"Well, but when have we ever been a sea power?"
This allowed Britain to become the world's largest sea power for 100 years.
During that time British military and sea power gradually spread around the world.
It remained a formidable sea power until the 13th century.
It is the first attempt in history to exert sea power on land by means of the air.
This important historical event brought Russia into one line with other sea powers.
It was the dominant sea power in the western Mediterranean.
Thus a new policy, of dominance over the world's second leading sea power by a 60% margin went into effect.
British sea power was supreme, and stayed so until the beginning of the twentieth century.