The Space Review: Delta II: End of an era

The Space Review: essays and commentary about the final frontier

Goodbye, Delta II rocket

Delta Blue: Last Delta II launches, leaves behind colorful legacy

Delta II concludes amazing legacy with ICESat-2 launch

Space Launch System - NASA

Engineers say goodbye to society-changing Delta 2 rocket – Spaceflight Now

The End Of An Era – Delta II

EcoFlow Delta 2 Review: Powers almost anything

The Delta II rocket came, it saw, and for a time it conquered

Final Delta II launch patches (ULA, Air Force) - collectSPACE: Messages

Delta II Rocket — Electron Losses and Fields Investigation

Tanking test marks resumption of Delta 2 rocket's final launch campaign – Spaceflight Now