Complex sentence: With infrequent use of the full form, naming became confused with "Armoured Vehicle Royal Engineers" alongside the 1st Assault Brigade Royal Engineers forming the "Armoured Engineer Brigade R.E." of the 79th Armoured Division.
Split into simpler sentences: With infrequent use of the full form, naming became confused with "Armoured Vehicle Royal Engineers". Confusion may be as a result of the 1st Assault Brigade Royal Engineers forming the "Armoured Engineer Brigade R.E." of the 79th Armoured Division.