![Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. Skena is an Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. Skena is an](https://c8.alamy.com/comp/PAC49Y/petty-officer-1st-class-david-skena-climbs-a-structure-to-replace-an-outdated-155-millimeter-lantern-with-a-self-contained-led-caramanah-light-sunday-march-1-2016-in-buzzards-bay-skena-is-an-electricians-mate-stationed-with-aids-to-navigation-team-woods-hole-ant-woods-hole-is-responsible-for-maintaining-250-buoys-20-lighthouses-and-54-structures-along-the-coast-of-southeastern-massachusetts-the-team-uses-a-26-foot-trailerable-aids-to-navigation-boat-to-service-structures-and-lighthouses-all-250-buoys-are-serviced-using-a-49-foot-buoy-utility-stern-loading-boat-us-coast-guard-p-PAC49Y.jpg)
Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. Skena is an
![Petty Officer 1st Class David Skena passes equipment from atop an aids to navigation structure to Petty Officer 2nd Class John Price, Sunday, March 1, 2016, in Buzzards Bay. Skena removed an Petty Officer 1st Class David Skena passes equipment from atop an aids to navigation structure to Petty Officer 2nd Class John Price, Sunday, March 1, 2016, in Buzzards Bay. Skena removed an](https://c8.alamy.com/comp/PAC49N/petty-officer-1st-class-david-skena-passes-equipment-from-atop-an-aids-to-navigation-structure-to-petty-officer-2nd-class-john-price-sunday-march-1-2016-in-buzzards-bay-skena-removed-an-old-lighting-system-which-included-a-battery-solar-panel-and-155-millimeter-lantern-with-a-single-led-component-with-the-same-capabilities-according-to-skena-the-new-system-has-several-advantages-with-the-old-systems-large-birds-such-as-ospreys-would-build-nest-on-the-solar-panels-rendering-them-inoperable-the-new-self-contained-systems-are-too-small-for-birds-to-build-on-us-coast-guard-photo-PAC49N.jpg)
Petty Officer 1st Class David Skena passes equipment from atop an aids to navigation structure to Petty Officer 2nd Class John Price, Sunday, March 1, 2016, in Buzzards Bay. Skena removed an
![Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. The older 155 Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. The older 155](https://c8.alamy.com/comp/PAC49X/petty-officer-1st-class-david-skena-climbs-a-structure-to-replace-an-outdated-155-millimeter-lantern-with-a-self-contained-led-caramanah-light-sunday-march-1-2016-in-buzzards-bay-the-older-155-millimeter-lanterns-are-powered-by-a-battery-which-is-in-turn-charged-by-a-solar-panel-the-new-led-lights-combine-all-of-the-separate-elements-of-the-older-system-into-one-component-installing-the-leds-takes-the-need-to-service-the-lights-from-every-six-months-up-to-two-years-which-means-we-spend-less-time-maintaining-the-lights-said-skena-us-coast-guard-photo-by-petty-office-3rd-class-an-PAC49X.jpg)
Petty Officer 1st Class David Skena climbs a structure to replace an outdated 155 millimeter lantern with a self-contained LED Caramanah light, Sunday, March 1, 2016, in Buzzards Bay. The older 155
![Coast Cutlery - White, Red LED Bulb, 155 Lumens, Industrial/Tactical Flashlight - 54136635 - MSC Industrial Supply Coast Cutlery - White, Red LED Bulb, 155 Lumens, Industrial/Tactical Flashlight - 54136635 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/5413663-21.jpg)