Original U.S. Vietnam Era Rubber Training Aid Russian RPG-7B Rocket Propelled Grenade Launcher From Training Sustainment Command - Inert Japanese Field Gear which almost certainly indicates it

which almost certainly indicates it was for use on land

The buckle is a very early pattern

Years of Manufacture: Circa 1730

basically fitting the power of a large cavalry saddle holster-gun and fitting it into the

Original U.S. Vietnam Era Rubber Training Aid Russian RPG-7B Rocket Propelled Grenade Launcher From Training Sustainment Command - Inert Japanese Field Gear which almost certainly indicates itOriginal Item: Only One Available. This is a totally inert non firing full size rubber and steel Russian RPG 7B training aid developed for the U. S. Military during the Vietnam War. The rocket is full sized and removable, but does not have fins and is entirely solid. The sight is solid rubber and not functional. These were essential training props for Special Forces units in preparation for insertion into the jungle during the Vietnam War. This