The Emergency Jetpack is a vehicle in the Spaceman Spiff universe. It appeared in a two weekday strips (1/18 and 1/19 1989) Spaceman Spiff said he had the jetpack in his pocket, and he said it was inflatable. He used it to get away from the Zogwargs, who were on rocket scooters. The Emergency Jetpack was analogous to Calvin running from his mother.
Spaceman Spiff blasting off with the Emergency Jetpack.