| Issue | #56 |
| Published | February 1987 |
| Cover Price | $0.75 |
| Pages | 36 |
| Editing | Bobbie Chase (Assistant); Bob Harras |
| Genre | war |
| Pencils | Mike Zeck |
| Inks | Bob McLeod (?) |
| Reprinted | in G.I. Joe Yearbook (Marvel, 1985 series) #3 |
| Characters | FEATURE: G.I. Joe--Hawk; Snake-Eyes; Scarlett; Stalker; Doc; Grunt; Recondo; Roadblock; Lift-Ticket; Trip-Wire; Flint; Dial-Tone (1st); VILLAINS: Serpentor; Destro; Baroness; Dr. Mindbender; Tomax; Xamot; Cobra Soldiers |
| Synopsis | The Joes take the Terror-Drome, dismantle it and train it out of Sierra Gordo. |
| Genre | war |
| Script | Larry Hama |
| Pencils | Rod Whigham |
| Inks | Andy Mushynsky |
| Colors | George Roussos |
| Letters | Joe Rosen |
| Notes | Cont. in G.I. Joe Yearbook #3 |