File:Transit-4A Injun-1 Solrad-3.jpg

Summary
https://commons.wikimedia.org/wiki/File:Transit-4A_Injun-1_Solrad-3.jpg English: Three satellites, Transit 4A, Injun 1 and Solrad 3, inside launch vehicle nose cone. Polski: Trzy satelity, Transit 4A, Injun 1 i Solrad 3, w czepcu ochronnym rakiety nośnej. Source: US Navy

Three satellites, Transit 4A (Identical to vertualy Trasit 4B on top of Injun 1, on top of Solrad 3; inside launch vehicle nose cone.