Lambert gained the rank of Captain in the service of the 38th Foot.

He gained the rank of Colonel in the service of the 68th Regiment.

He gained the rank of Major in the service of the Rifle Brigade.

He gained the rank of Major in the service of the Dragoons.

He gained the rank of Colonel in the service of the Royal Engineers.

Your excellency has gained much wealth - in the service of the king.

He gained the rank of Major in the service of the Irish Guards.

He gained the rank of Captain in the service of the Troop of Horse.

Entering the Royal Dragoons as a private, he gained, while in the service, considerable practical experience of military life and affairs.

He gained the rank of Captain in the service of the Royal Artillery.