| main(adjective, lead, head, master, boss) |
| mother ship(noun, expression, vessel, boat, star) |
| primary(adjective, lead, head, master, boss) |
| principal(adjective, lead, head, master, boss) |
| iconic(adjective, feature, state, characteristic, most important) |
| pearl(noun, feature, characteristic, star, leader) |
| head(noun, adjective, lead, master, star) |
| corvette(noun, vessel, boat, ship, combatant) |
| crown jewel(noun, expression, feature, characteristic, star) |
| elite(adjective, feature, state, characteristic, star) |
| essential(adjective, feature, state, characteristic, most important) |
| guard ship(expression, idiom, vessel, boat, ship) |
| leading(adjective, feature, state, characteristic, prize) |
| momentous(adjective, feature, state, characteristic, most important) |
| top(adjective, feature, state, characteristic, prize) |
| top of mind(adjective, top, mind, intelligence, intellect) |
| topnotch(adjective, feature, state, characteristic, star) |
| frigate(noun, vessel, boat, ship, combatant) |
| ironclad(noun, vessel, boat, ship, combatant) |
| naval ship(expression, vessel, boat, ship, transportation) |