Op got leaked and enemies are prepped

Op scuffed from the start

Infantry blocks the shore with their own landing craft

Shore bombardment kills friendly infantry

Resupply mission at nearby dock/seaport thats undersupplied

Barges and GB's blocking the longhook from building landingcraft

Either side brought a flamethrower

Tank crew gets lost

Construction vehicle delayed/destroyed prematurely

Forgot something essential like buckets or bmats

Poor onboard dicipline (door spamming, random shooting, blasting music, etc)

Needlessly complicated multi-step plan

Longhook gets swarmed while trying to redeploy

Change landing position halfway through op, causing units to get spread too thin

Poor communication tech (ingame comms/manually switching between discord channels)

Person blocking the doorway on the longhook

Battleship/DD minding their own business instead of defending the longhook

Waiting on someone waiting on someone else

Longhook solo's without waiting/having any support or screen

30+ minute delay before op starts

Frontline stalls (free space)

Any kind of X/XXX marker related to the op

"This op is going to be legendary"

Dropping off infantry at impractical or heavily fortified locations due to lack of beforehand scouting

Pre-op bombardment/sabotage that puts enemies on high alert