<p>Alright, from experience.
https://pbs.twimg.com/media/By1MImhIMAEWlU1.jpg:large
</p><p>You farm G3 when doing a predominately corpus planet and the grineer is on the offensive for the invasion mission. You take the side of the corpus to fight off the grineer and the G3 will show up due to your meddling. I did that on Europa with 2 people previously marked and 2 randoms. It took 4 consecutive invasion runs after I got marked.
</p><p>You farm Harvester when doing a predominately grineer planet and the corpus is on the offensive for the invasion mission. You take the side of the grineer to fight off the corpus and the Harvester will show up due to your meddling. I did that on Ceres with 2 people previously marked. It took 9 consecutive invasion runs after I got marked.
</p><p>I used nekros and desecrated. I used a vapor specter for G3.
</p><p>After 1.5 months of frustration: "Yes they deserve to die, and I hope they burn in hell!"
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It took me a long time because often:
</p><p>1) I would casually just complete 5 invasions and play random maps until they "magically appeared."
</p><p>2) I did half my missions supporting the wrong cause, where none of them would show up and I would often wonder why.
</p><p>3) I would just sit there for weeks until the new invasion missions to appear and for old ones to simmer down because I completed 5 already
</p><p>4) Dying to G3 due to illpreparedness isn't a good outcome until I learned I could just quit application to keep my mark and not have to build the bolt release.
</p><p>5) I was torn between fighting for both sides and needing both blueprints and parts.
</p><p>6) Not having a complete team to farm G3 and having people lie that they are marked just to mooch off the oppourtunity to get parts.
</p><p>7) Not having enough data to compile what exactly I had to do to result for their appearances.
</p><p>8) Lower your conclave below 800 to lure them...Trust Me: take off secondary gun, melee weapon, and put on a sentinel for quick shield recharge but with a weakly modded sentiel weapon. they are programmed to only show up when you are weak/ranking up.
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