After Ozma meets Alto at a hospital being tested (as he's had an encounter with aliens), he invites him to the SMS HQ, where SMS members corner Alto, demanding he tells them how their beloved comrade died.
Alto discovers why Ozma really brought him to the SMS HQ, to interrogate him on Henry's death.
The belongings of his dead comrade, Henry Gilliam.
"Hey!" *Ozma turns around* "Let me... Let me pilot a Valkyrie!"
*Ozma punches Alto* "Damm you! Don't get carried away, you brat! Someone! Lock this kid up in the safe area!"