Word: alert
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
...Khartoum the army was ordered on emergency alert, and heavy guards were ringed around government buildings to prevent sabotage. Prime Minister Mahgoub flew back from a quick trip to Ethiopia, Tanzania and Kenya with the news that all three nations had agreed to give no aid to the rebels. Even so, pressures were growing in the black nations to support their fellow blacks against the Arab north, and the Nairobi Daily Nation warned that the war could grow into "another Viet Nam." "Is it too late for peace in the Sudan?" asked the Tanzania Standard. "It will be tragic...
Behind all the schemes is an all-important question: How well can man take the rigors of an extended stay in orbit? On such flights, men will endure far more than Mercury or Gemini crews ever did. They will suffer prolonged weightlessness, radiation, fear, prolonged states of alert, close confinement, disruption of normal day-night and work-rest cycles. They will live for long periods on reclaimed water and in a recycled atmosphere. And always there will be monotony, fatigue and the oppressive loneliness of space. "We simply don't have enough experience to say with any certainty what...
...level bombing in bad weather is a deadly job. The same radar used to find targets can help a plane to navigate safely past hills or mountains, but it may also alert defenders equipped to pick up its blips. Navigation with the help of ground-based radio-beam transmitters can rarely be counted on over enemy territory. What pilots need is a system that will lead them along their chosen route without signaling their presence to enemy trackers...
...Romans, always alert to omens and portents, would never have gone through with the ceremony. A tremendous mountain storm sent vengeful bolts of lightning slashing across the slopes of Mont Blanc, and their thunderclaps shook the valleys below. The helicopter bearing Charles de Gaulle had to grope its way in heavy fog through the pass to Chamonix, and a nagging rain dropped a chill...
...fully 35 miles away, riding a radar beam en route and destroying the aircraft with a proximity-fused high explosive or even a nuclear blast. Even after the rockets are mounted, U.S. pilots could take them out by sneaking in beneath the line-of-sight alert radars and slamming the concrete revetments that house the missiles with their own standoff air-to-ground birds...