HALO is based on a Gulfstream G 550 ultra long range business jet. The combination of range, cruising altitude, payload and comprehensive instrumentation make the aircraft a globally unique research ...

China might need more aircraft than India to effectively attack India due to a combination of geographical, logistical, and ...

If you haven't been to high altitude before, it's important to be cautious. If you have been at that altitude before with no problem, you can probably return to that altitude without problems as long ...

Many individuals, especially those not accustomed to high elevations, may find it challenging to adapt to the environment due to lower oxygen levels. This could result in altitude sickness ...

The RQ-4 Global Hawk is a high-altitude, long-endurance unmanned aircraft system with an integrated sensor suite that provides intelligence, surveillance and reconnaissance, or ISR, capability ...

The U-2 planes join other surveillance aircraft on missions around the US-Mexico border. The US military has its high-altitude U-2 "Dragon Lady" spy planes and other reconnaissance aircraft flying ...

Any good bike ride should have a big climb to push your fitness, and a nice descent for the joy of careening down at high speed ... to play them back on an aircraft altitude indicator.