| Multiplace Bomber (MB) (1918-1921) |
|---|
| Martin | MB-1 | Glenn Martin Bomber (GMB) |
| Martin | MB-2 | |
| Day Bombardment (DB) (Type XI - 1921 to 1923) |
|---|
| Gallaudet | DB-1 | |
| Gallaudet | DB-1B | |
| Night Bombardment - Short Range (NBS) (Type XII - 1921 to 1924) |
|---|
| Martin | NBS-1 | |
| LWF | XNBS-2 | |
| Elias | XNBS-3 | |
| Curtiss | XNBS-4 | |
| Night Bombardment - Long Range (NBL) (Type XIII - 1920 to 1923) |
|---|
| Witteman-Lewis | XNBL-1 | Barling Bomber |
| Martin | XNBL-2 | |
| Light Bombardment (LB) (1923 to 1930) |
|---|
| Huff-Daland | LB-1 | |
| Atlantic | LB-2 | |
| Huff-Daland | XLB-3 | |
| Martin | XLB-4 | |
| Keystone | LB-5 | |
| Keystone | LB-6 | |
| Keystone | LB-7 | |
| Keystone | LB-8 | |
| Keystone | LB-9 | |
| Keystone | LB-10 | |
| Keystone | LB-11 | |
| Keystone | XLB-12 | |
| Keystone | LB-13 | |
| Keystone | LB-14 | |
| Heavy Bombardment (HB) (1926 to 1927) |
|---|
| Huff-Daland | XHB-1 | |
| Atlantic | XHB-2 | |
| Huff-Daland | XHB-3 | |
| Bombardment Aircraft (B) (starting 1926) |
|---|
| Huff-Daland | XB-1 | |
| Curtiss | B-2 | |
| Keystone | B-3 | |
| Keystone | B-4 | |
| Keystone | B-5 | |
| Keystone | B-6 | |
| Douglas | Y1B-7 | |
| Fokker | XB-8 | |
| Boeing | Y1B-9 | |
| Martin | B-10 | |
| Douglas | YB-11 | |
| Martin | B-12 | |
| Martin | XB-13 | |
| Martin | XB-14 | |
| Boeing | XB-15 | |
| Martin | XB-16 | |
| Boeing | B-17 | Flying Fortress |
| Douglas | B-18 | Bolo |
| Douglas | XB-19A | Flying Behemoth |
| Boeing | XB-20 | |
| North American | XB-21 | Dragon |
| Douglas | XB-22 | Bolo |
| Douglas | B-23 | Dragon |
| Consolidated | B-24 | Liberator |
| North American | B-25 | Mitchell |
| Martin | B-26 | Marauder |
| Douglas | B-26 (A-26) | Invader |
| Martin | XB-27 | |
| North American | XB-28 | |
| Boeing | B-29 | Superfortress |
| Lockheed | XB-30 | Constellation |
| Douglas | XB-31 | |
| Consolidated | B-32 | Dominator |
| Martin | XB-33 | Super Marauder |
| Lockheed | B-34 | Ventura |
| Northrop | XB-35 | Flying Wing |
| Convair | XB-36 | Peacemaker |
| Lockheed | B-37 | Lexington |
| Boeing-Lockheed-Vega | XB-38 | Flying Fortress |
| Boeing | XB-39 | Spirit of Lincoln |
| Boeing-Lockheed-Vega | YB-40 | Flying Fortress |
| Consolidated-Vultee | XB-41 | |
| Long-Range Bomber |
|---|
| Boeing | XBLR-1 | |
| Douglas | XBLR-2 | |
| Sikorsky | XBLR-3 | |
|
|
|---|
| Boeing | B-29 | Superfortress |
| Northrop | XB-35 | Flying Wing |
| Convair | B-36 | Peacemaker |
| Douglas | XB-42 | (XA-42) Mixmaster |
| Douglas | XB-43 | Jetmaster |
| Boeing | XB-44 | Superfortress |
| North American | B-45 | Tornado |
| Convair | XB-46 | |
| Boeing | B-47 | Stratojet |
| Martin | XB-48 | |
| Northrop | YB-49 | Flying Wing |
| Boeing | B-50 | Superfortress |
| Martin | XB-51 | |
| Boeing | B-52 | Stratofortress / BUFF |
| Convair | XB-53 | |
| Boeing | XB-54 | |
| Boeing | XB-55 | |
| Boeing | XB-56 | |
| Martin | B-57 | Canberra |
| Convair | B-58 | Hustler |
| Boeing | XB-59 | |
| Convair | YB-60 | |
| B-61 | Matador |
| B-62 | Snark |
| B-63 | Rascal |
| B-64 | Navaho |
| B-65 | Atlas |
| Douglas | B-66 | Destroyer |
| B-67 | Crossbow |
| Matin | XB-68 | |
| B-68 | Titan |
| Lockheed | RB-69 | Neptune |
| North American | B-70 | Valkyrie |
| Lockheed | B-71 | Blackbird |
| B-72 | Quail |
| B-73 | Bull Goose |
| B-74 | (not assigned) |
| B-75 | Thor |
| B-76 | Mace |
| B-77 | Hound Dog |
| B-78 | Jupiter |
| B-79 | (not assigned ?) |
| B-80 | Minuteman I |
| B-81 | (not assigned ?) |
| B-82 | (not assigned ?) |
| B-83 | Bullpup |
| B-84 | (not assigned ?) |
| B-85 | (not assigned ?) |
| B-86 | (not assigned ?) |
| B-87 | Skybolt |
| Aircraft Nuclear Propulsion |
| General Dynamics | FB-111 | |
| Rockwell | B-1A | Lancer |
| Rockwell | B-1B | Lancer / Bone |
| Northrop | B-2 | Spirit / Porkchop |
|
