D Anti-Aircraft Regiment RA was formed in August 1941 in the UK. It was re-designated as 4 Heavy Anti-Aircraft Regiment West African Artillery in October 1941 and arrived in West Africa for Gambia.
| Aug 41 | Formed | UK |
| Oct 41 | Re-designated 4 Heavy Anti-Aircraft Regiment West African Artillery | |
| Oct 41 | Arrived West Africa | Gambia |