Boeing 747 USA Freighters and charters' pack --- Atlas Air + Southern Air (Transport) + World Airways Cargo --- Total 11x skins.
Atlas Air started freighter operations in 1993 and now operates 40+ Boeing 747 family.
In 2010, Atlas began pax charter. Now US Military often charters Atlas Air to transport both cargo and soldiers.
Southern Air Transport was a CIA front company and it operated Boeing 747 Freighters from 1993 to 1999.
CIA scandal made closing SAT, its asset was transferred to a new commercial airline Southern Air.
World Airways also operated US military cargo charters with World Cargo brand.
This skinpack needs "Boeing 747 Common Normal map / RoughMet Textures pack Rev 2" from here. --- https://www.digitalcombatsimulator.com/en/files/3320106/
When you see strange checker blocks on the skins in DCS World, the "Boeing 747 Common Normal map / RouhMet Textures pack Rev 2" is not installed / not set-up correctly.