English Electric showcases experimental guided weapons, incl. some developed in Australia (1957, HD) 

EXPERIMENTAL ROCKET. small scale rockets... Rocket fired in air... booster falls off..rocket soars away...Motor Testing. CU about 50 feet of huge bi lows of smoke coming out of rocket followed by fiery blast... Rocket Developments Rocket through space four booster rockets fall off..rocket soars of off. another same...rockets explodes... CU Rocket through air explodes..Rocket does twists in air.. Nite shot rocket thru sky fiery blast showing... Woomera: Ls rocket takes off... Recovery plane in air.. Drops parachuted rocket.. 3 more chutes open. Rocket hits earth... Guidance; Rocket thru air leaves smoke trail... More of same rocket turns...Rocket heads towards plane...CU Rocket boosters fall off... Plane, rocket dusting thru air. Plane... Rocket twists leaving smoke trail towards plane...
Dated 1957 Jul 30. No sound.