knew my grandfather but I know that you will serve as brilliantly as he did, to the eternal credit of the Republic. You must be brave and strong for my sake—" He would have given everything he had or ever could hope to have to be back with her, and away from the bullying, sneering fellow-cadets of the Corps. He kissed the letter—and then hastily shoved it under his mattress as he heard footsteps. He popped to a brace, but it was only his roommate Ferguson. Ferguson was from Earth, and rejoiced in the lighter Lunar gravity which was punishment to Grayson's Io-bred muscles. "Rest, mister," Ferguson grinned. "Thought it was night inspection." "Any minute now. They're down the hall. Lemme tighten your bunk or you'll be in trouble—" Tightening the bunk he pulled out the letter and said, calvishly: "Ah-hah! Who is she?—" and opened it. When the cadet officers reached the room they found Ferguson on the floor being strangled black in the face by spidery little Grayson. It took all three of them to pull him off. Ferguson went to the infirmary and Grayson went to the Commandant's office. The Commandant glared at the cadet from under the most spectacular pair of eyebrows in the Service. "Cadet Grayson," he said, "explain what occurred." "Sir, Cadet Ferguson began to read a letter from my mother without my permission." "That is not accepted by the Corps as grounds for mayhem. Do you have anything further to say?" "Sir, I lost my temper. All I thought of was that it was an act of disrespect to my mother and somehow to the Corps and the Republic too—that Cadet Ferguson was dishonoring the Corps." Bushwah, the Commandant thought. A snow job and a crude one. He studied the youngster. He had never seen such a brace from an Io-bred fourth-classman. It must be torture to muscles not yet toughened up to even Lunar gravity. Five minutes more and the boy would have to give way, and serve him right for showing off. He studied Grayson's folder. It was too