Fast liners and the cost of escort

Would a very fast liner such as Oceanic need a heavy escort?

Often no: a liner fast enough to outrun threats could travel alone, while an escort matching that pace risked wearing out its machinery.

Some fast liners were expected to cross the Atlantic alone because an escort capable of matching their speed would suffer heavy mechanical strain. Warships were designed around economical cruising, while wartime troop transports sometimes accepted the cost of sustained high speed to move people quickly. Liners carrying troops could make repeated fast crossings, offload, refuel, and return for another lift while relying on speed for protection. The comparison with Soviet pilots flying short front-line missions at maximum speed illustrates the same tradeoff: higher tempo reduced range and machinery life. Speed, endurance, and escort allocation were therefore closely linked operational choices.