| Lotus achieved rapid success with the 1953 Mk 6 and the 1954 Mk 8 sports cars. |
| The British aircraft industry was badly lagging in the production of swept-wing fighters and the United States funded 430 Mk. 2 and Mk. 4 Sabres to equip the Royal Air Force. |
| Nearing the 400th engine, BizJet services the classic Spey Mk511-8, Tay Mk611-8, as well as the Tay Mk 611-8C engine. |
| In early October Saab Bofors Dynamics and Diehl BGT Defence launched an RBS15 Mk 3 surface-to-surface missile at an FMV test range in northern Sweden. |
| In September 1940, the more powerful Mk IIa series 1 Hurricanes started entering service in small numbers. |
| The Mk II version has a permanently installed drop-leaf table forward of the binnacle. |
