An article discussing the cardinal grand cross alignment of late May 2010 along with the Sagittarius Full Moon and Mars/Neptune opposition.  Interestingly the Lost TV series final season enters its culmination at this time and the 2 events are linked - your own 'Dharma Initiative'.
 

"When three or more planets aspect one another mutually, they form an aspect structure, of which there are several different types. These are usually three-sided triangles or, less often, four-pointed structures, and even less often, more complex ones. Any structures forming in the heavens at any time indicate a temporal power-point, where a dominant chord sounds which has a very strong signal.

"In some cases the horoscopes contain a series of aspects that form one or more configurations. These configurations represent a powerful energy force which can be advantageous or detrimental according to the aspects involved. Some of the configurations formed by major aspects are :

"It is not uncommon for horoscopes to contain a series of aspects that form one or more configurations. While it is difficult to state exactly what the result of these compound aspects may be, in a general sense we can speculate. Several of configurations formed by major aspects are the T-Square, the  Grand Cross, the Grand Trine, a Stellium, and the Yod."