THE SCENE is a company headquarters in a quiet section of the Front Line in the spring of 1917. It is a roughly built shelter with a sloping corrugated tin roof. There is an entrance up Right Centre which leads round into the front trench and a doorway left. At the back there is a sandbag wall reaching to within a few feet of the roof; through this opening can be seen the higher wall of the back trench topped with mud and grass and a few old tins; beyond this can be seen occasionally the flashes of guns far back. Every few moments during the whole scene there is the flare of a Very light. It is about 8:30 in the evening.
(TILLEY, SHAW, BABE ROBINS, and JOHN CAVAN have just finished dinner, and as the curtain rises JENNER, the batman, is serving them with mugs of coffee. ROBERT TILLEY is a man of about thirty, pleasant looking, with