B Anti-Aircraft Regiment RA was formed in August 1941 in the UK. It was re-designated as 2 Heavy Anti-Aircraft Regiment West African Artillery in October 1941 and by the December was en route to Sierra Leone.
| Aug 41 | Formed | UK |
| Oct 41 | Re-designated 2 Heavy Anti-Aircraft Regiment West African Artillery | |
| Dec 41 | En route to West Africa | Sierra Leone |
Batteries
| Dec 41 | 308 HAA Bty RA |
| Dec 41 | 4, 5, 6, HAA Btys WAA assigned |