An RASvy document about the development and trials in the use of hovering helicopters to establish survey control. Written by MAJ W Childs (RASvy) in circa 1960. Survey Control is points of known accurate position. 10 x A4 page report, hole punched and stapled. Booklet of typed text and diagramsroyal australian survey corps, rasvy, fortuna, army survey regiment, army svy regt, asr

A yellow gloss paper cover with the details of the boolet in dark green. There is a coloured photograph of a helicopter and a black and white photograph of soldiers marching. Also there is the insignia of the Vietnam Veterans Association of Australia.australian vietnam veterans, 1996 convention - launceston, official handbook and guide, family reunion 30 years on, booklet

A green cardboad booklet with the information on the front cover in black. Near the top hand written in Maj Cran. Under this and underlined reads The School Of Infanty All Arms Tactics Wing. The booklet is held together with two metal staples.booklet, the school of infantry all arms tactics wing, company operation orders, attack, defence, withdrawal, assault river crossing, relief in the battle area, short radio orders, patrols, ambush, warning orders, helicopter operations