kumpulan berbagai informasi sejarah / riwayat dan peristiwa penting lainnya dalam sejarah manusia
Surveyors faced obstacles but had geometry on their side. Soon after the Civil War ended, the United States began a major national surveying project, its object to measure a line of latitude (the 39th parallel north) across the continent. The project required the establishment of stone survey stations atop some of the West’s highest peaks, …
The post How the West Was Measured: Mountaintop Calculations Meant Fewer Ground Surveys appeared first on HistoryNet.
Deadly Mistake on Hamburger HillOn the ridges of what would be called Hamburger Hill for the way troops were ground up in the fighting there, U.S. helicopters mistakenly hit a 101st Airborne unit on the verge of … Read MoreBook Review: Invasion of Laos 1971Invasion of Laos 1971: Lam Son 719 by Robert D. Sander, University of Oklahoma Press, 2014 The 1971 invasion of Laos is one of the forgotten episodes of the Vietnam War. Perhaps th… Read MoreGeneral Shoemaker: Helicopter War GuruUsed essentially as delivery vans in World War II and as medical evacuation vehicles in Korea, helicopters were transformed into hunter-killers in Vietnam, thanks in large part to … Read MoreBook Review: Charlie Chasers by Larry Elton FletcherCharlie Chasers: History of USAF AC-119 “Shadow” Gunships in the Vietnam War, by Larry Elton Fletcher, Hellgate Press, 2013 Falling chronologically between the more famous Douglas … Read MoreBook Review: Lockheed A-12 by Paul F. CrickmoreLockheed A-12: The CIA’s Blackbird and Other Variants by Paul F. Crickmore, Osprey Publishing, Oxford, England, 2014 The shooting down of Francis Gary Powers’ Lockheed U-2 by SA-2 … Read More
0 komentar:
Posting Komentar