Oxygen pill

Oxygen pills were used by humans in the 2060s to allow for breathing in space.

In January 2065, Doctor Venus reminded Steve Zodiac not to forget his oxygen pills when he ventured from Fireball XL5 out into space in order to investigate an adrift space freighter. (COMIC: The Batmen)

Steve, Venus and Professor Matic were once all left stranded in space with a limited supply of oxygen pills. (COMIC: Power Play, PROSE: Superjet Shot Down) Space Station M5 launched an emergency rescue ship in a desperate bid to save them (COMIC: Power Play) but did not arrive before Venus collapsed. (PROSE: Superjet Shot Down)