In order to ain't not miss, you need to do three things.
1) Get Twitch and Vinegar back to work.
2) Revive Barracuda Joe.
3) Obtain the targeting module.
Go to the newly opened Frostbite Island and make your way through. You'll first be stopped by a cutscene of Ammo Baron and Techno Baron talking, continue onwards. At the end of the line will be some chains. Follow them up to get to a long platforming sequence in Propeller Town. At the end of the line is the Techno Baron's assistant, who will give you the targeting module.
Don't forget to play keepaway with the Baron when handing it over. Choose the option twice for the achievement!