Some of your boys have had to fly hundreds of hours over the sea from an improvised airfield in quests often disappointingly fruitless, of enemy submarines.

• 贵国若干壮士，必须用临时赶筑之机场，飞行海面，经数百小时之久，以搜寻敌方之潜艇，往往一无所遇，废然而返。