In 1912 airships and balloons, powered and unpowered, were being developed to explore, to entertain, to travel, and to wage war. Aerostats (any lighter-than-air craft) remained highly sensitive to weather and many were floated by flammable hydrogen (at least until the destruction of the Hindenburg in May 1937) but despite the limitations, great hopes were placed on these frail craft.

» View the Aerostats Slide Show