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In 1946, Junior Juniper, along with other Howling Commandos Dum Dum Dugan, Happy Sam Sawyer, and Pinky Pinkerton joined the SSR-agents Peggy Carter, Jack Thompson, Rick Ramirez, and Mike Li in an infiltration mission into the Red Room Academy in Belarus.
- M1A1 Thompson: The standard assault weapon used by agents of the Strategic Scientific Reserve following World War II, and also Juniper's weapon of choice. He carried it during the infiltration mission into a facility in the Soviet Union, but he did not have any opportunity to use it.
- Howling Commandos
- Strategic Scientific Reserve
- In the comics, Junior Juniper joined the United States Army following the bombing of Pearl Harbor, becoming one of Nick Fury's best friends. He died in Berlin during a mission, and was replaced by Pinky Pinkerton. He was the first named Marvel Comics character to die.
- Juniper was the one who came up with the name "Howling Commandos."