The Flash Vol. 2 #233

This is The Flash Vol. 2 #233, published in December 2007. It is part three of the "The Wild Wests" storyline written by Mark Waid and also launches the backup feature "The Fast Life" Part One. In the main story, "The Wild Wests, Part Three: Fleeting Life," Keystone City is attacked by alien invaders from the planet Savoth. Wally West's twin children, Iris and Jai, step up in battle: Iris uses her vibration power to send her father underground so he can recover in unfrozen water, while Linda and Jai hold off the invaders until the Justice League arrives. After the battle, League members question the Wests for letting young children fight; Batman in particular argues that children so young should not be brought into the superhero life, and Wally responds sarcastically. The couple explains their dilemma: the children are aging rapidly, and they fear their lifespan may be shortened, so they would rather let them live fully, including helping their father protect the city. Jai overhears this conversation by accident. The backup story, "The Fast Life, Part One: Garrick," turns to the first Flash, Jay Garrick: the Savoth scientist Gorflack activates a homemade Speed Force device to repel invaders but accidentally teleports Garrick into the lab. Garrick stays on Savoth for two weeks helping fight off the enemy and, before leaving, receives a solid Speed Force fragment shaped like a lightning bolt.