Communication Breakdown
Ground Event / Encounter Aircraft
Aircraft Aircraft Damaged
Company Policy; Human Factors; Environment - Non Weather Related
[We were] asked to re-position an aircraft that was in storage; We moved it closer to Aircraft X that was already in storage. They then asked us to move it even closer to Aircraft X. While we were moving Aircraft Y  struck Aircraft X. We felt comfortable with the first movement of Aircraft Y; we all felt uncomfortable when [we were] asked to move it even  closer to Aircraft X.
[It was] requested [to] re-position aircraft(s) at storage area. Note: 4 aircraft were parked at the storage area. Requested that 2 aircraft to be parked closer together. Aircraft Y was re-position closer to Aircraft X. [It was] requested Aircraft Y to be moved even closer to Aircraft X.
Air carrier ground crew reported that while repositioning an aircraft in a remote parking location; the wing struck an adjacent parked aircraft. The crew reported that the move was done to fit more aircraft into the parking location.