In this 1992 photograph, Delta operator MSG Samuel Booth Foster is shown on the far right during a training exercise with the 22 SAS Regiment in Hereford, UK.

Looks like he’s sporting a Colt 723 carbine.

Click here for a moving personal story of friendship between Delta operator George Hand and Sam Foster.

Check out this footage of a joint SAS and Delta (and 75th Rangers) operation in Syria in 2015.