Commander, Royal Artillery (abbreviated CRA) was a military appointment in Commonwealth infantry and armoured divisions in the 20th Century. The CRA was the senior artillery officer in the division and commanded the regiments of field, anti-aircraft and anti-tank artillery, and provided specialist artillery and offensive support advice to the divisional commander. Even though the Canadians, New Zealanders, etc. had their own artillery corps (ie the Royal Regiment of Canadian Artillery), the term CRA was still used to mark this appointment in formations of those armies (rather than CRCA or CRNZA etc.) for consistency between the allies. The CRA was ranked as a Brigadier General

Brigadier General

Brigadier general is a senior rank in the armed forces. It is the lowest ranking general officer in some countries, usually sitting between the ranks of colonel and major general. When appointed to a field command, a brigadier general is typically in command of a brigade consisting of around 4,000...

 in the First World War, and as a Brigadier

Brigadier

Brigadier is a senior military rank, the meaning of which is somewhat different in different military services. The brigadier rank is generally superior to the rank of colonel, and subordinate to major general....

in the Second World War.

At Corps HQ level there was a Commander Corps Royal Artillery (CCRA), also a Brigadier, who fulfilled the same role within that HQ.