The Lancer Veteran is a 2nd-tier class introduced in Valkyria Chronicles 2. They can be promoted from Lancers as part of the Lancer Class Tree. Other than having improved attributes, they operate exactly the same as lancers.
Gallian Lancer Veterans
Lancer Veterans did not appear in Valkyria Chronicles.
Valkyria Chronicles 2
GRA Lancer Veterans
Their role and equipment are the same as their Gallian counterparts.