Astro

Tom Corbett

Best friends and loyal crewmates, with Astro often acting as the strong, dependable support for Tom.

Roger Manning

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Steve Strong

Good friends and fellow cadets, with a strong sense of camaraderie and teamwork.

Lady Venus

Acquaintances through Tom, with Astro being wary of Lady Venus's manipulative nature.

Tony Richards

Friends and fellow cadets, with a bond strengthened by shared experiences at the Academy.

Tom Corbett

Best friends and loyal crewmates, with Astro often acting as the strong, dependable support for Tom.

Roger Manning

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Roger Manning

Fellow cadets and friends, though their relationship includes occasional friction due to Roger's sharp wit and Astro's seriousness.

Tom Corbett

Best friends and loyal crewmates, with Astro often acting as the strong, dependable support for Tom.

Steve Strong

Good friends and fellow cadets, with a strong sense of camaraderie and teamwork.

Steve Strong

Good friends and fellow cadets, with a strong sense of camaraderie and teamwork.

Tony Richards

Friends and fellow cadets, with a bond strengthened by shared experiences at the Academy.

Arrival at Space Academy

Astro is tricked by Manning into carrying his luggage, then berated by McKenny. He later befriends Tom and Philip Morgan.

II

Struggles with the classification test, is shown sweating over a question, and later groggily wakes up on the first morning, concerned about breakfast.

III

Astro is praised for his manual skill on the power deck, described as an artist in his domain.

IV

Clashes with Roger, shows loyalty to Tom, and defers to Tom for the fight.

The Boxing Match

Acts as referee, supports Tom, and expresses disgust at Roger's behavior.

VI

Astro struggles with the theoretical power-deck manual, expressing frustration that he can only understand engines through hands-on experience. His performance is critical to the unit's success.

VII

Passes his power-deck manual exam and celebrates with Tom and Roger.

VIII

Astro is frustrated with Roger's behavior and wants a transfer, but agrees to give Roger another chance after Tom's revelation.

The Polaris

Discovers the powerful rocket motors on the power deck and shows enthusiasm for the ship.

The Mercuryball Semifinal

The large Venusian cadet; plays aggressively, confronts Roger about his selfish play, and helps set up scoring opportunities.

Atom City

Enjoys the leave; physically restrains Roger at the hotel; stands up to Captain James; eager for the space maneuvers.

XII

On power deck, maintains engines and offers to increase speed via bypass; engages in banter with Roger.

XIII

Provides technical insight about the Lady Venus and prepares jet boats for boarding.

XIV

Goes missing; later deduced to be on the power deck trying to repair the ship.

XV

Provides technical support and encouragement from inside the ship, monitoring the Geiger counter.

Chapter XVI

Reports the radiation issue, chooses to ride the ship down, and reminisces about his past on Mars.

XVII

Uses his strength to lift the casing off Roger and provides knowledge of Martian sandstorms.

XVIII

Repairs the generator, shares his harsh orphaned childhood, and ultimately earns Roger's respect and friendship.

XIX

Files through the hatch hinges, crawls through the sand tunnel using a hose for air, demonstrates strength and determination.

Descent into the New Sahara

Shows physical resilience; agrees to the plan and supports his unit-mates.

XXI

Carries Roger across the desert, maintains determination, and fosters unity among the trio.

XXII

Catches a fish with his bare hands, provides strength and leadership, and helps build the raft.