USA-Images of the surface of Mars, transmitted by the space station "Mariner-9". USA-Press conference of astronauts of the projected American space station "Skylab", a model of the future station. USA-Demonstration of a new invention for athletes-a flying boat. USA-Preparation for the descent of the underwater house-laboratory for three people. USA - The first demonstration for the press of a new long-range radar aircraft. Australia-Construction of the Optical Astronomy Observatory in the Warrushbangle Mountains, a new giant telescope. England-Special teams of the Navy are removing containers of life-threatening chemicals from the coast of Cornwall that came ashore from the sunken Spanish cargo ship. Ghana-The first shooting after the military coup, a military parade in Accra, troops guarding key positions. DRV - Training of Vietnamese pilots on MiG-21 aircraft, strengthening the air defense of Hanoi. South Vietnam-Australian advisers train soldiers of the Cambodian government forces. South Vietnam - The last stage of the withdrawal of Thai troops. Cambodia and South Vietnam-Assistance of Saigon troops to the Cambodian government forces. Cambodia-Saigon Army paratroopers guard the highway and help farmers harvest rice. Singapore-The arrival of five Australian Mirage jet fighters (under the agreement of the five states).