 Sinclair sends Lothar to Cliff and Peevy 's home to find the rocket pack . The FBI arrives , but Cliff and Peevy escape , while Lothar steals its detailed schematics drawn up by Peevy . Later , at the airfield diner , Cliff and Peevy , trapped by several Valentine mobsters , learn that Jenny had a date with Sinclair , and of the actor 's involvement in the hunt for the rocket pack . The diner patrons overpower the gangsters , while a bullet ricochet punctures the rocket 's fuel tank , which Peevy temporarily patches with Cliff 's chewing gum . 
