There is no team rocket base in Blue Rescue team. Unless you name your team Team Rocket.
you get it at team rockets hide out
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Train your pokemon to a higher level.
On Pokemon Gold? SLOWPOKETAILS
if your talking about Pokemon then a rocketchu is basically team rockets pikachu hence the name it is a fan made character and does not appear in any episodes
Team Rocket's name is Team Rocket
you will get it from lance team rockets headquarter
Where the Pokemon Salon is, a newcoming Team Rocket Grunt will give you the Team Rocket uniform.
Giovanni
there is 3 ways to comlete rockets bace the first way is by hope i helped someone :)
its in the game corner in celadon city