Complex sentence: During the Cold War, the Strategic Air Command 508th Fighter Escort Wing provided fighter escort for SAC strategic bombers in the 1950s; and the 508th Tactical Fighter Group trained Air Force Reserve pilots in "Wild Weasel" SAM suppression tactics in the 1970s.
Split into simpler sentences: During the Cold War, the Strategic Air Command (SAC) 508th Fighter Escort Wing provided fighter escort for SAC strategic bombers in the 1950s. The 508th Tactical Fighter Group trained Air Force Reserve pilots in "Wild Weasel" Surface to Air Missile suppression tactics in the 1970s.