| Show BOMB RAIDS LIGHT AND DARK Night Bombing Squadron Divided Into Two Tso Periods Each Month Behind the tilo British Lines In France Sept 7 The i.-The The working month of or a night bombing squadron in France is divided dl into two periods which are l known as the light and tho the dark lark Tho Tue light lI period covers co the moonlit halt half of or tho the month Should It be at attended attended at at- tended b by fine Cine weather great aerial activity It prevails pro Practically nit any raid that Is possible b by da day can cami be carried out equally w well vell at night during this lois period for although certain details are not hot clear clearly visible the essential features fea rca tures urea of ot the lie ground stand out clearly clear and can easily bo lie followed followell The eRse ease with which targets tJ can be bo found depends vcr very lal largely el on their geographical position Water Is tho lie great guide for tor night flying tOld and on to a i clear r moonlight night It can be bc seen scon from n a great s distance Hence targets tars situated near noar a Ih river r. r canal or lal lake o present pre- pre sent ont no difficulty whatever er as nN regards their being found Railways H too If Ir tho they are aro In use prove excellent guides fa for I tho tile rails shine cl clearly arh In lit tho the moonlight and can easily be followed Woods especially If tile they thew are peculiar shape make mako good lAn landmarks lt aJI 8 for tor tho the black tunas mass which shows show up lii well in ill the moonlight can bo be quickly Identified on the thc tunis map During the tho lI light ht period most of ot lIsts tho long Ion raids of ot the are re carried out The dark period the tile moonless nights Is 13 a it much less active time 1 Flying Flying Fly Fly- lr- lr In ing I la ls then dune chiefly 1 by tho the aid of or a a. f |