![](http://www.alamy.com/thumbs/6/D94157E5-3ADF-473D-9BF9-375A333F0939/D47GJH.jpg)
Sailors use a telescopic alidade.
Size: 1673px × 1195px
Photo credit: © Z2A Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., 65, aircraft, aircraftcarrier, armada, carrier, cvn, cvn65, enterprise, greece, military, navy, navy., piraeus, piraeusgreece, sailor, ship, state, states, united, usnavyunitedstate, uss, ussenterprise