![U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark and F-15 crew chief Staff Sgt. Eric Moses, 104th Fighter Wing, do a visual inspection of the exterior of U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark and F-15 crew chief Staff Sgt. Eric Moses, 104th Fighter Wing, do a visual inspection of the exterior of](https://c8.alamy.com/comp/P61WE4/us-air-force-and-massachusetts-air-national-guard-pilot-capt-martin-heklr-clark-and-f-15-crew-chief-staff-sgt-eric-moses-104th-fighter-wing-do-a-visual-inspection-of-the-exterior-of-an-f-15c-eagle-aircraft-prior-to-flight-april-20-2016-as-part-of-the-frisian-flag-2016-exercise-leeuwarden-air-base-netherlands-the-f-15s-from-massachusetts-and-california-are-deployed-as-part-of-a-theater-security-package-and-will-conduct-training-alongside-nato-allies-the-us-f-15s-will-conduct-training-with-more-than-70-aircraft-from-the-netherlands-australia-belgium-finland-france-germany-P61WE4.jpg)
U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark and F-15 crew chief Staff Sgt. Eric Moses, 104th Fighter Wing, do a visual inspection of the exterior of
![U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark prepares for his mission in an F-15C Eagle, April 20, 2016, as part of the Frisian Flag 2016 exercise, U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark prepares for his mission in an F-15C Eagle, April 20, 2016, as part of the Frisian Flag 2016 exercise,](https://c8.alamy.com/comp/P61WE0/us-air-force-and-massachusetts-air-national-guard-pilot-capt-martin-heklr-clark-prepares-for-his-mission-in-an-f-15c-eagle-april-20-2016-as-part-of-the-frisian-flag-2016-exercise-leeuwarden-air-base-netherlands-the-f-15s-from-massachusetts-and-california-are-deployed-as-the-131st-expeditionary-fighter-squadron-and-part-of-a-theater-security-package-conducting-training-alongside-nato-allies-the-us-f-15s-will-conduct-training-with-more-than-70-aircraft-from-the-netherlands-australia-belgium-finland-france-germany-poland-norway-and-the-united-kingdom-during-frisian-flag-201-P61WE0.jpg)
U.S. Air Force and Massachusetts Air National Guard pilot Capt. Martin “Heklr” Clark prepares for his mission in an F-15C Eagle, April 20, 2016, as part of the Frisian Flag 2016 exercise,
![Westeinde, Gemeente Leeuwarden, Netherlands, Friesland, N 53 12' 30'', E 5 46' 5'', map, Timeless Map published in 2021. Travelers, explorers and adventurers like Florence Nightingale, David Livingstone, Ernest Shackleton, Lewis and Westeinde, Gemeente Leeuwarden, Netherlands, Friesland, N 53 12' 30'', E 5 46' 5'', map, Timeless Map published in 2021. Travelers, explorers and adventurers like Florence Nightingale, David Livingstone, Ernest Shackleton, Lewis and](https://c8.alamy.com/comp/2GW6CE8/westeinde-gemeente-leeuwarden-netherlands-friesland-n-53-12-30-e-5-46-5-map-timeless-map-published-in-2021-travelers-explorers-and-adventurers-like-florence-nightingale-david-livingstone-ernest-shackleton-lewis-and-clark-and-sherlock-holmes-relied-on-maps-to-plan-travels-to-the-worlds-most-remote-corners-timeless-maps-is-mapping-most-locations-on-the-globe-showing-the-achievement-of-great-dreams-2GW6CE8.jpg)