Related Clues:

• Explorers' org.
• He cursed Cassandra
• Space shuttle launcher
• God who killed the dragon Python at Delphi
• Ltrs. on a rocket
• Greek sun god
• Schirra's grp.
• Inits. on Mars
• Logo on a G-suit
• Delphi bigwig
• Space Age org.
• Govt. space explorers
• Lyrical tribute
• Employee of many scientists
• Voyager insignia