| Issue | #56 |
| Published | January 1958 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth, Robert Kanigher (uncredited) |
| Genre | War |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Synopsis | A Drill Instructor turns a bunch of raw recruits into real Marines. WWII story |
| Genre | War |
| Script | Robert Kanigher |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Notes | Sgt. Rock prototype. Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Reprinted | in Sgt. Rock's Prize Battle Tales (DC, 1964 series) #1 (Winter 1964); Sgt. Rock's Combat Tales (DC 2005 series) #1; in Sgt. Rock's Prize Battle Tales Replica Edition (DC, 2000 series) #1 |
| Genre | War |
| Pencils | Ross Andru |
| Inks | Mike Esposito |
| Notes | Pencils credit from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Genre | War |
| Script | Bob Haney |
| Pencils | Russ Heath |
| Inks | Russ Heath |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Reprinted | in All-American Men of War (DC, 1953 series) #117 |