VE 110 Agate is the designation of an unguided French test rocket developed in the late 1950s and early 1960s.

: gemstones) program, that included five prototypes Agathe, Topaze, Emeraude, Rubis and Saphir,[3] leading up to the Diamant orbital rocket.

The Agate has a length of 8.50 metres, a diameter of 0.80 metres, a start mass of 3.2 tonnes, a takeoff thrust of 186 kN and a ceiling of 20 km.

It used a NA801 Mammouth solid propellant rocket engine (same as the Rubis VE-210).

[2][3] The name indicates that it is a "Véhicule Expérimental" (Experimental Vehicle) with 1 stage, using solid propulsion (code 1), and not guided (code 0).The Agate was launched from the CIEES test site in Hammaguir, French Algeria, and the Île du Levant test site,[2] in order to test instrument capsules and recovery systems.