Rescue crews said snowy conditions on the ground were making it challenging to get to the site. READ MORE: https://www.whas11.com/article/news/nation-world/search-for-missing-marine-corps-helicopter/507-c99896f8-fd2d-4cad-a472-dfb136fe1ba2 Follow WHAS11 on Social: Facebook: https://www.facebook.com/WHAS11 Twitter: https://twitter.com/WHAS11 Instagram: https://www.instagram.com/whas11/ Subscribe to WHAS11 for exclusive content: http://www.youtube.com/c/WHAS11News?s... Download the WHAS11 News app: Apple: https://apple.co/325dTnY Android: https://bit.ly/3hfvOg8 #helicopter #san #diego #california #crash #missing