communications units. Other factors which inflivence the pianning and preparation i. The international and political sensitivity ef test operations which resuit in a continuing demand for rapid, secure, and reliable communications. 26 The isolation of the PPG and the Long Lead time required for delivery of equinment, supplies, and personnel. 3 The relatively snort tour of duty for permanent party personnel which ersates Frobdlems of mcraie, crientat—= ion, and training. Le The wide dispersion of Task Force siements during beth the interim and operational pericds. The space limitations existing in the PPG affecting the expansion of fixed somnmunizations farilities. The budgetary limitaticns affecting nezeszary transiion from tactical to fixed plart facilities. The requirements for as much speed ling service as is tonsistent witn he cr De in message hand} atringent commonisa- tions security regulations and large volume of classified traffi:. The sccordination of efferts and procedures of the three Services and of civilian agencies necessary to implement Task Force projects.