this is a stupid question, your looking for an opinion based answer, just google the royal engineers and have a look at their website if you want to be persuaded, and are you the same person who asked this sort of question on yahoo answers?
Royal Monmouthshire Royal Engineers was created in 1539.
Royal Australian Engineers was created in 1902.
The motto of Royal Australian Engineers is 'Ubique'.
Royal Engineers A.F.C. was created in 1863.
The motto of Royal Monmouthshire Royal Engineers is 'Quo Fas et Gloria Ducunt'.
Air Battalion Royal Engineers was created in 1911.
Kent Fortress Royal Engineers was created in 1932.
The Royal Engineers motto is 'Honi soit qui mal y pense' which is french for 'Shamed be who thinks evil of it'
Trojan Armoured Vehicle Royal Engineers was created in 2007.
Spanish Royal Academy of Naval Engineers was created in 1772.
Royal Australian Engineers's motto is 'Honi Soit Qui Mal Y Pense'.