Air Academy Federal Credit Union in Castle Rock is the only 'bank' you'll ever need - and a whole lot more! Experience for yourself how we make a difference, one member at a time. Serving the greater Littleton area near you! AAFCU is a federally chartered, not-for-profit, and member-owned financial institution. In addition to our continued service to our military, we also serve the employees and students of 10 school districts, hundreds of select employee groups (SEG) along with their family members. Our products and services include: checking, savings, online banking, credit cards, home and personal loans, vehicle and auto loans, business accounts and loans, insurance and investment products. We offer our services at our branches in Colorado Springs, Monument, Castle Rock, Parker, Littleton and Highlands Ranch