Your dream is rich with imagery and symbolism, reflecting various aspects of your subconscious mind. Let's break it down:

1. Setting - Early Apocalypse: The apocalyptic theme may symbolize feelings of uncertainty or anxiety about the future. It could be a reflection of personal challenges or societal issues that you perceive as looming threats.
2. Bunker and Chain Link Fence: The bunker may represent a desire for safety and security in tumultuous times. The chain link fence could symbolize boundaries or limitations in your life, perhaps indicating a sense of confinement or protection from external dangers.
3. Glasses to See Mercury: This element suggests a quest for knowledge or clarity. Seeing Mercury could symbolize communication or intellect, as Mercury is often associated with these themes in astrology. It may indicate a desire to gain insight into a particular situation in your life.
4. Conversation with Jennifer: The interaction with someone who doesn't recognize you may signify feelings of being overlooked or misunderstood in social situations. It could also reflect a longing for connection or validation from others.
5. Sirens and UFO Sounds: The sounding sirens could represent a warning or alert about something important in your life. The added UFO sound might imply feelings of the unknown or surreal experiences you're encountering.
6. Planes and Missiles: The armed planes could symbolize conflict or aggression in your life—perhaps there are issues or tensions that feel threatening. The act of firing missiles suggests a desire to confront or eliminate these challenges.
7. Dinosaurs: Dinosaurs might symbolize something ancient or primal within you. They could represent fears, instincts, or unresolved issues from the past that are re-emerging, especially in a chaotic context like an apocalypse.
8. Running toward the Bunker: This action highlights a natural instinct to seek refuge and protection when faced with overwhelming challenges. It suggests a coping mechanism to deal with stress or fear.

Overall, your dream seems to encapsulate a mix of anxiety about the future, a desire for clarity amidst confusion, and an instinct to protect yourself from perceived threats. It may be beneficial to reflect on any current challenges or emotions in your waking life that relate to these themes. Consider what aspects you can address or confront to alleviate any underlying fears or uncertainties.