Her Majesty The Queen was the principal guest last month when The Marine Society & Sea Cadets celebrated the 250th anniversary of the UK's most enduring maritime charity. Speaking at the reception in Greenwich on board the Royal Navy's amphibious assault ship HMS Albion, Vice Admiral Sir Tom Blackburn KCVO CB, chairman of the charity, announced a £2.5m fundraising appeal to build a new power-training ship for the Sea Cadets. To lend support, visit: