![](http://www.alamy.com/thumbs/6/AFA2BE40-9B8E-4A72-B9D7-4D1B5EF18879/2ME68XY.jpg)
Gas Drill At Sea. This image depicts a Coast Guard combat cutter at sea, where Coast Guardsmen are drilled in the use of their gas masks.
Size: 5695px × 4826px
Photo credit: © NB/USC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 17-a2-156, 26-, coast, guard, history, job, rdss, rg