Launching a MYSTERY PAYLOAD

In this video, I launch a rocket with a massively oversized fairing. What could be inside?

Full Modlist:

Airplane Parts Plus
ASET
Alternate Resource Panel
B9 Aerospace
BetterBurnTime
BetterCrewAssignment
BetterTimeWarpContinued
Blueshift
BonVoyage
Booster Guidance
Camera Tools continued
Chatterer
Click Through Blocker
Conformal Decals
Cryogenic Engines
Community Tech Tree
Community Fixes
Community Resource Pack
Community Category Kit
DaMichels Cargo Bays
DE_IVAExtension
Docking Port Alignment Indicator
Easy Vessel Switch
Enironmental Visual Enhancements
EvaFollower
Far Future Technologies
Feline Utility Rovers
FMRS
FreeIVA
HangarExtender
HarmonyKSP
Heat Control
Interstellar Fuel Switch
Janitor's Closet
Kerbal Attachment Systems
Kcalbeloh System
Kerbal Alarm Clock
Kerbal Atomics
KerbalEngineerRedux
Kerbal Planetary Base Systems
Kerbal Reusability Expansion
Kerbetrotter
Kopernicus
Kerbal Space Transport Systems
MechJeb2
MEV Heavy Industries
Minor Planets Expansion
MK2 and MK3 Expansions
All Nertea's Near Future mods
Not So SimpleConstruction
SimpleConstruction
Outer Planets
OPT (and legacy)
Persistent Thrust
Planetshine
RCSBuildAid
RecoveryController
Reviva
SCANsat
Scatterer
ScienceAlert ReAlerted
ShipManifest
Singularity
StageRecovery
Stockalike Mining Extension
Stockalike Station Expansion Redux
Stockish Project Orion
Simple Repaint
Toolbar Controller
Transfer Window Planner
Textures Unlimited Recolour Depot (and compatibilities for other mods)
TweakScale
Trajectories
UbioWeldingContinued
VesselMover
Valentine System
Waterfall (and stock configs)