American officials are mindful that Kenya, one of its closest allies in Africa, has become a precarious buffer zone between the United States and Islamist militants who have declared foreigners legitimate targets in their war.
Risk is exacerbated by the presence of the object itself — the launching point instantly becomes an obstacle — and the sometimes precarious landing zones, in places like river gorges.
The area surrounding the campus is characterized by densely populated urban zones, precarious living conditions and a general lack of infrastructure [ 8].
The precarious nature of euro zone finances has made it increasingly difficult for state rail companies to raise capital throughout Europe.
Time is precious for Blackpool's manager, given his team's increasingly precarious position above the relegation zone, and he intends to invest it wisely.
Today the dividing line separates the affluent from a growing reserve army of precarious life, populating a twilight zone between legality and criminality, unemployment and exploited underemployment.
The reflex to capture evidence of disaster and inform other people of it has two purposes: it informs people in the area of the risk of staying nearby, but it also helps rescue teams identify particularly affected or precarious regions within the larger disaster zone, which helps them make informed decisions about next steps in the rescue effort.
That run, which includes a derby defeat by Sunderland, has taken Newcastle from a safe, mid-table position to a mildly precarious spot seven points above the relegation zone.
Everton boss Roberto Martinez, 41, says he feels no pressure at his side's precarious position, six points off the relegation zone, but does not take chairman Bill Kenwright's support for granted.
For more than a dozen years a fleet of ancient Antonov aircraft owned by the former Russian military officer Viktor Bout would land on the precarious desert and jungle airstrips in conflict zones around the world.
