Editing Exploration Ship Fitting Guide (section)

==High Slots==
There are two types of high slot modules that are highly useful to explorers: Cloaking Devices and Probe Launchers.
===Cloaking Devices===
Being able to hide while scanning down signatures in a system is highly valuable, and a cloak allows you to do this. Omega clone status is required to use the Cloaking skill which allows access to the modules. The most basic is the Prototype Cloaking Device I, which reduces your sub-light speed to just 10% of normal while cloaked, and can't be used while warping. The T2 module of choice is the Covert Ops Cloaking Device II, which has no reduction to sub-light speed and permits warp drive use while under cloak. The catch with this module is that it can only be fitted on certain ships, however this includes most of the higher-end exploration-bonused ships (such as the Astero, Stratios, Covert Ops frigates and covert-configured Strategic Cruisers).

===Probe Launchers===
For exploration, the standard fit will include a Core Probe Launcher of some description to scan down cosmic signatures. The basic Core Probe Launcher I does the job on a budget price, but with Astrometrics V trained you can fit the T2 Core Probe Launcher II which has a +5% bonus to scan strength. The Sisters Core Probe Launcher is the best, with a +10% bonus to scan strength, lower CPU requirements and only needing Astrometrics I - however, it is extremely expensive in comparison to the other two.
===Interdiction Nullifiers===
These modules can allow escape from non-targeted interdiction "bubbles", and can be activated while under jump cloak. However, they are restricted as to which ships can carry them. For exploration, the two main groups are the T2 Covert Ops frigates (including the Pacifier) and T3 Strategic Cruisers (Interdiction Nullification subsystems aren't required to use these modules, but instead give a bonus to their effect). The T1 exploration frigates (Magnate, Heron, Imicus, Probe) and SOE ships (Astero, Stratios) can't fit Interdiction Nullifiers. Interceptors can be Nullified, but their use as "exploceptors" was founded on their innate ability to avoid bubbled gate camps in null sec, which covered their weaknesses (small cargo hold, no scanning or hacking bonus, no Cov Ops cloak). Now that the T2 explorers can gain nullification, the use case for exploceptors is greatly reduced.