Do silicone implants really explode at high altitude?

They normally flew at high altitude to avoid night fighters but bad weather forced them to postpone the operation on two successive nights.

The pod uses a computer-controlled valve and vacuum pump to simulate high altitude and compress the muscles at rhythmic intervals.

One problem with flying aircraft using biofuel is that it is more likely to freeze at high altitude.

Yesterday's inquest was told that the crew had no training on flying the plane manually at high altitude.