| 0 | - | cover | 1 | pencils: Al McWilliams; inks: Al McWilliams | |
| 1 | War Planes | text article | 1 | pencils: Roy Humphries; inks: Roy Humphries | |
| 2 | - | comic story | 8 | script: Alan Blane | Scoop Mason (first appearance); Sleepy Samson (first appearance); Jay-Jay [Judy Jackson] (first appearance); Jonesie (first appearance); Baron Treville (first appearance); Rosita (first appearance) |
| 3 | - | comic story | 2 | | Tripod Trio (first appearance) |
| 4 | - | comic story | 8 | script: Ralf Stone; pencils: Tom Hickey; inks: Tom Hickey | Storm Allen (first appearance); Lucky Lane (first appearance); Buzz Magee (first appearance); Ah Wing (first appearance); Admiral White (first appearance); Nichi Koto (first appearance) |
| 5 | On the High Seas / Three Days Out | comic story | 2 | | Tripod Trio |
| 6 | Scapa Flow | comic story | 4 | pencils: Alden McWilliams; inks: Alden McWilliams | Guenther Prien |
| 7 | Lt. Frank Luke, World War Ace | comic story | 4 | pencils: Roy Humphries; inks: Roy Humphries | Lt. Frank Luke, Jr. |
| 8 | Sikandur the Robot Master | comic story | 7 | | Sikandur (first appearance; only appearance); Countess Sylvia (first appearance); Robot X5328B (first appearance); Bert (first appearance); Bill (first appearance); Ed (first appearance) |
| 9 | Television Torpedo Wars Newest Weapon | comic story | 5 | pencils: Roy Humphries; inks: Roy Humphries | Sgt. Murphy; Lt. Radcliffe; U. A. Sanabria |
| 10 | - | comic story | 8 | script: ? [as J. D. Wilkyey]; pencils: ? [as J. D. Wilkyey] | Tim (first appearance); Jerry (first appearance); Mr. Jones |
| 11 | - | comic story | 2 | | Tripod Trio |
| 12 | London is Bombed | comic story | 6 | pencils: Erwin L. Hess; inks: Erwin L. Hess | Danny Dash (first appearance); Mac [Shamrock McGlynn] (first appearance); Gray Hordes from the Center of the Earth (first appearance) |
| 13 | - | comic story | 6 | pencils: Arthur McCaffery; inks: Arthur McCaffery | Peace Raider [Larry MacIntosh] (first appearance); Babanoff (first appearance) |
| 14 | - | comic story | 2 | | Tripod Trio |
| 15 | Name the Pilots! | activity | 1 | | |
| 16 | Submarine Strength at the Outbreak of War! | text article | 1 | letters: typeset | |