shadow

Silent eyes watch from the sky

Nonrigid, lighter-than-air blimps have long been used as slow, steady observation posts. A new generation will watch the seas for drug smugglers and illegal immigrant traffic.

Click on the thumbnail to see the full image.

.

.

.

.

.

of 5 stories this month > Get unlimited stories
You've read 5 of 5 free stories

Only $1 for your first month.

Get unlimited Monitor journalism.